by HSING; HSU-HUI, PRATT; ROY E
Year of Publication 07.06.1994

by PRATT; ROY E, PATEL; JITENDRA A
Year of Publication 27.08.1991

by NONGBRI; GOVANON, NELSON; GERALD V, PRATT; ROY E
Year of Publication 21.11.1995

by NELSON, GERALD V, PRATT, ROY E, NONGBRI, GOVANON
Year of Publication 12.10.1995

by YOUNGBLOOD, DOUGLAS J, PRATT, ROY E
Year of Publication 15.10.1974

by SELF, DAVID E, DEMETER, JOSEPH C, PRATT, ROY E
Year of Publication 09.10.1992

by FREDERICK K. HAHN, ROY E. PRATT
Year of Publication 12.08.1969

by FREDERICK K. HAHN, ROY E. PRATT
Year of Publication 01.04.1969

by DEMETER; JOSEPH C, SELF; DAVID E, PRATT; ROY E
Year of Publication 02.07.1991

by DAI PEI-SHING E, NELSON GERALD V, NONGBRI GOVANON, PRATT ROY E, SHERWOOD DAVID E
Year of Publication 30.11.1998

by SCHRADER, CHARLES H, NELSON, GERALD V, SAYLES, SCOTT M, LIVINGSTON, WILLIAM B, BELLINGER, MICHAEL P, PRATT, ROY E, NONGBRI, GOVANON
Year of Publication 03.10.2000

by MACLEAN; JOHN P, PRATT; ROY E, LIONETTI; THOMAS A
Year of Publication 17.06.1986

by CASTAGNOS, JR.; LEONCE F, PRATT; ROY E
Year of Publication 07.02.1984

by CASTAGNOS, JR.; LEONCE F, PRATT; ROY E
Year of Publication 06.12.1983

by TSANG; CHIH-HAO M, O'YOUNG; CHI-LIN, HSING; HSU-HUI, PRATT; ROY E
Year of Publication 07.03.1995

by CASTAGNOS, LEONCE F., JR, PRATT, ROY E
Year of Publication 28.10.1980

by CASTAGNOS, JR.; LEONCE F, PRATT; ROY E
Year of Publication 13.12.1977

by CASTAGNOS, JR.; LEONCE F, PRATT; ROY E
Year of Publication 29.11.1977

by BUNN, DORRANCE P. (JR.), PRATT, ROY E
Year of Publication 05.07.1977

by NONGBRI; GOVANON, NELSON; GERALD V, SHERWOOD, JR.; DAVID E, DAI; PEI-SHING E, PRATT; ROY E
Year of Publication 13.08.1996