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1
, 331.5-P692e-P | University of Pittsburgh | 1991 331.5-P692e-P,
2
, 331.5-P692e-P | University of Pittsburgh | 1990 331.5-P692e-P,
3
, 331.5-P692e-P | University of Pittsburgh | 1989 331.5-P692e-P,
4
, 331.5-P692e-P | University of Pittsburgh | 1988 331.5-P692e-P,
5
, 331.5-P692e-P | University of Pittsburgh | 1987 331.5-P692e-P,
6
, 331.5-P692e-P | University of Pittsburgh | 1986 331.5-P692e-P,
7
, 331.5-P692e-P | University of Pittsburgh | 1985 331.5-P692e-P,
8
, 331.5-P692e-P | University of Pittsburgh | 1984 331.5-P692e-P,
9
, 331.5-P692e-P | University of Pittsburgh | 1983 331.5-P692e-P,
10
, 331.5-P692e-P | University of Pittsburgh | 1982 331.5-P692e-P,
1
University of Pittsburgh [, ]