1981-01-07 /BB-L014A-BM/01/autopatch/pep201.pdf 1981-01-07 /BB-L014B-BM/01/autopatch/pep201.pdf 1982-01-04 /BB-L014C-BM/01/autopatch/pep201.pdf 1983-02-24 /BB-L014E-BM/01/autopatch/pep201.pdf 1986-01-13 /BB-M080K-SM/01/tcpip-sources/pep201.pdf 1987-12-02 /bb-l014q-bm_tops20_v6_1_atpch17/01/autopatch/pep201.pdf 1987-12-02 /bb-l014r-bm_tops20_v6_1_atpch_18/01/autopatch/pep201.pdf 1988-08-05 /bb-l014t-bm_tops20_v7_0_atpch20/01/autopatch/pep201.pdf 1988-08-31 /bb-y390o-bm_tops20_v41_atpch_20/01/autopatch/pep201.pdf 1989-02-08 /bb-l014w-bm_tops20_v7_0_atpch_23/01/autopatch/pep201.pdf