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+PR V 23 N 6 JAN/FEB 1981
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 24 N 1 MAR/APR 1981
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 24 N 2 MAY/JUN 1981
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 24 N 3 JUL/AUG 1981
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 24 N 4 SEP/OCT 1981
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 24 N 5 NOV/DEC 1981
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 24 N 6 JAN/FEB 1982
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 25 N 1 MAR/APR 1982
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 25 N 2 MAY/JUN 1982
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 25 N 3 JUL/AUG 1982
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 25 N 4 SEP/OCT 1982
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 25 N 5 NOV/DEC 1982
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 25 N 6 JAN/FEB 1983
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 26 N 1 MAR/APR 1983
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 26 N 2 MAY/JUN 1983
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 26 N 3 JUL/AUG 1983
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 26 N 4 SEP/OCT 1983
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 26 N 5 NOV/DEC 1983
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 26 N 6 JAN/FEB 1984
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 27 N 1 MAR/APR 1984
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 27 N 2 MAY/JUN 1984
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 27 N 3 JUL/AUG 1984
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 27 N 4 SEP/OCT 1984
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 27 N 5 NOV/DEC 1984
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 27 N 6 JAN/FEB 1985
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 28 N 1 MAR/APR 1985
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 28 N 2 MAY/JUN 1985
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 28 N 3 JUL/AUG 1985
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 28 N 4 SEP/OCT 1985
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 28 N 5 NOV/DEC 1985
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 28 N 6 JAN/FEB 1986
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 29 N 1 MAR/APR 1986
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 29 N 2 MAY/JUN 1986
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 29 N 3 JUL/AUG 1986
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 29 N 4 SEP/OCT 1986
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 29 N 5 NOV/DEC 1986
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 29 N 6 JAN/FEB 1987
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 30 N 1 MAR/APR 1987
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 30 N 2 MAY/JUN 1987
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 30 N 3 JUL/AUG 1987
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 30 N 4 SEP/OCT 1987
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 30 N 5 NOV/DEC 1987
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 30 N 6 SPEC 1987
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 31 N 1 JAN/FEB 1988
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1
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Periodical
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Periodical (Magazine or Journal)
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+PR V 31 N 2 MAR/APR 1988
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 31 N 3 MAY/JUN 1988
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 31 N 4 JUL/AUG 1988
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 31 N 5 SEP/OCT 1988
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 31 N 6 NOV/DEC 1988
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 32 N 1 JAN/FEB 1989
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1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 32 N 2 MAR/APR 1989
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 32 N 3 MAY/JUN 1989
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 32 N 4 JUL/AUG 1989
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1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 32 N 5 SEP/OCT 1989
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1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 32 N 6 NOV/DEC 1989
|
1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 33 N 1 JAN/FEB 1990
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1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 33 N 2 MAR/APR 1990
|
1
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Periodical
|
Periodical (Magazine or Journal)
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+PR V 33 N 3 MAY/JUN 1990
|
1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 33 N 4 JUL/AUG 1990
|
1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 33 N 5 SEP/OCT 1990
|
1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 33 N 6 NOV/DEC 1990
|
1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 34 N 1 JAN/FEB 1991
|
1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 34 N 2 MAR/APR 1991
|
1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 34 N 3 MAY/JUN 1991
|
1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 34 N 4 JUL/AUG 1991
|
1
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Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 34 N 5 SEP/OCT 1991
|
1
|
Periodical
|
Periodical (Magazine or Journal)
|
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+PR V 34 N 6 NOV/DEC 1991
|
1
|
Periodical
|
Periodical (Magazine or Journal)
|