1977-10-12 /decuslib20-04/01/decus/20-0135/simr42.exe 1977-10-12 /decuslib20-04/01/decus/20-0135/sys/simr42.exe 1978-07-18 /decuslib10-05/01/43,50337/03/simr42.exe 1979-02-22 /decuslib10-08/01/43,50463/02/simr42.exe 1979-02-22 /decuslib20-04/01/decus/20-0135/02/simr42.exe