1980-01-10 /BB-4148D-BM_1980/01/dbms-v5a/source/dbs20.rel 1980-01-10 /BB-4148D-BM/01/dbms-v5a/source/dbs20.rel 1981-09-24 /BB-4148E-BM/01/sources/dbs20.rel 1981-09-24 /DBMS-20_V6_BIN_19811001/01/sources/dbs20.rel 1981-09-24 /DBMS-20_V6.0_bin_9-25-81/01/sources/dbs20.rel 1984-06-21 /BB-4148F-BM_1984/01/sources/dbs20.rel 1988-03-09 /bb-penea-bm/01/dbmall/dbs20.rel 1988-03-09 /bb-l014z-bm_tops20_v7_0_tsu03_1_of_3/01/dbmall/dbs20.rel 1988-03-09 /bb-l014y-bm_tops20_v7_0_tsu02_1_of_2/01/dbmall/dbs20.rel 1988-03-09 /CFS_TSU04_19910205_1of1/02/update/dbmall/dbs20.rel 1988-03-09 /BB-Y390U-BM/01/dbmall/dbs20.rel 1988-03-09 /BB-Y390T-BM/01/dbmall/dbs20.rel 1988-03-09 /BB-Y390S-BM_1990/01/dbmall/dbs20.rel 1988-03-09 /BB-PENEA-BM_1990/01/dbmall/dbs20.rel 1988-03-09 /BB-L014Z-BM_1990/01/dbmall/dbs20.rel 1988-03-09 /BB-L014Y-BM_1990/01/dbmall/dbs20.rel 1988-03-09 /BB-L014X-BM_1990/01/dbmall/dbs20.rel