1975-01-05 /decuslib10-05/01/43,50337/05/simcom.hlp 1975-01-05 /decuslib10-05/01/43,50337/06/simcom.hlp 1976-10-22 /decuslib10-05/01/43,50337/04/simcom.hlp 1977-11-11 /decuslib20-03/01/decus/20-0078/sys/simcom.hlp