1977-10-04 /AP-D480B-SB_1978/01/errovb.bli 1981-10-27 /BB-D480C-SB_1981/05/errovb.bli 1983-01-06 /FORTRAN-10_V7wLink_Feb83/05/errovb.bli 1985-01-10 /BB-D480F-BB_1985_short/05/errovb.bli 1985-01-10 /BB-D480F-SB_FORTRAN10_V10/05/errovb.bli 1986-05-14 /FORTRAN-10_Alpha_31-jul-86/05/errovb.bli 1986-12-19 /fortv11/05/errovb.bli