1977-11-23 /decuslib10-05/01/43,50337/21/mvista.sim 1977-11-23 /decuslib20-03/01/decus/20-0078/util/mvista.sim 1977-11-26 /decuslib20-04/01/decus/20-0135/mvista.sim 1977-11-26 /decuslib20-04/01/decus/20-0135/sources/mvista.sim