1977-10-04 /AP-D480B-SB_1978/01/dopt.rel 1977-10-05 /BB-4157D-BM/01/sources/dopt.rel 1981-12-03 /BB-D480C-SB_1981/05/dopt.rel 1983-01-17 /FORTRAN-10_V7wLink_Feb83/05/dopt.rel 1985-04-12 /BB-D480F-BB_1985_short/05/dopt.rel 1985-04-12 /BB-D480F-SB_FORTRAN10_V10/05/dopt.rel 1986-07-24 /FORTRAN-10_Alpha_31-jul-86/05/dopt.rel 1987-01-07 /fortv11/05/dopt.rel