1977-07-17 /decus_20tap5_198111/01/decus/20-0141/getnum.for 1977-07-17 /decuslib10-08/01/43,50476/getnum.for 1977-07-17 /decuslib20-05/01/decus/20-0141/getnum.for 1978-08-16 /BB-D875A-SM/01/dx/sources/getnum.for 1978-08-16 /bb-d857a-sm_dx_tops20_v1_src/01/dx/sources/getnum.for