1983-01-17 /BB-4157F-BM_1983/01/fortran/compiler/cmnd20.rel 1984-02-22 /BB-Z759A-SM/01/cobol-build/cmnd20.rel 1985-04-10 /bb-4157h-bm_fortran20_v10_16mt9/01/fortran-compiler/cmnd20.rel 1987-01-26 /CFS_TSU04_19910205_1of1/02/update/ftncsr/cmnd20.rel 1987-01-26 /bb-4157j-bm_fortran20_v11_16mt9/01/fortran-compiler/cmnd20.rel