by RIGGS; MICHAEL T
Year of Publication 19.02.1985

by CHUTKOW; JERRY G, FLANAGAN; PATRICK, RIGGS; MICHAEL T
Year of Publication 03.09.1996

by RIGGS MICHAEL T, CHUTKOW JERRY G, FLANAGAN PATRICK
Year of Publication 05.07.1995

by CHUTKOW, JERRY, G, RIGGS, MICHAEL, T, FLANAGAN, PATRICK
Year of Publication 04.01.1995

by MORGAN, DENNIS, J, O'ROURKE, EUGENE, A, THORNTON, FRED, RANDALL, RIGGS, MICHAEL, T, CHESNEY, CHARLES, F
Year of Publication 03.01.2001

by MICHAEL T. RIGGS, NICHOLAS D. CHANGE
Year of Publication 14.05.1982

by THORNTON; FRED RANDALL, CHESNEY; CHARLES F, RIGGS; MICHAEL T, O'ROURKE; EUGENE A, MORGAN; DENNIS J
Year of Publication 12.12.2000

by CHUTKOW, JERRY, G, RIGGS, MICHAEL, T, FLANAGAN, PATRICK
Year of Publication 21.07.1994

by RIGGS; MICHAEL T, CHANGE; NICHOLAS D
Year of Publication 04.04.1978

by RIGGS; MICHAEL T, CHANGE; NICHOLAS D
Year of Publication 22.03.1977

by RIGGS; MICHAEL T, CHANGE; NICHOLAS D
Year of Publication 01.06.1976

by MICHAEL T. RIGGS, FRED RANDALL THORNTON, DENNIS J. MORGAN, EUGENE A. O'ROURKE, CHARLES F CHESNEY
Year of Publication 11.10.1999

by MORGAN, DENNIS, J, O'ROURKE, EUGENE, A, THORNTON, FRED, RANDALL, RIGGS, MICHAEL, T, CHESNEY, CHARLES, F
Year of Publication 23.09.1999

by RIGGS; MICHAEL T, CHANGE; NICHOLAS D
Year of Publication 03.06.1975

by IMBODEN MICHAEL, RIGGS MICHAEL, SCHAEFER DEBORAH A, HOMAN JANE
Year of Publication 29.09.2011

by RIGGS, MICHAEL, GARTH, KACIAN, DANIEL, LOUIS, PUTNAM, JAMES, GARFIELD
Year of Publication 15.07.2000