1982-11-30 /T20_NETW_DECMAIL_MS_821201/01/documentation/msinst.mem 1982-11-30 /TOPS-10_DECMAIL_MS_821130/01/msinst.mem 1983-01-25 /BB-P527A-BM/01/documentation/msinst.mem 1983-01-25 /T10_T20_MS_V10_SRCS_830128/01/msinst.mem