1981-07-22 /BB-4157E-BM/01/fortran-test/fortra.ver 1981-07-22 /BB-D480C-SB_1981/03/fortra.ver 1983-02-02 /BB-4157F-BM_1983/01/fortran/test/fortra.ver 1983-10-24 /tops20_v6_1_tcpip_installation_tp_ft6/06/uetp/lib/fortra.ver 1985-01-10 /bb-4157h-bm_fortran20_v10_16mt9/01/fortran-test/fortra.ver 1985-10-17 /k20v7d/01/uetp/lib/fortra.ver 1986-12-19 /bb-4157j-bm_fortran20_v11_16mt9/01/fortran-test/fortra.ver