1973-07-12 /decus_20tap2_198111/01/decus/20-0067/filter.cbl 1973-07-12 /decuslib20-02/01/decus/20-0067/filter.cbl 1973-07-13 /decuslib10-02/01/43,50305/filter.cbl 1975-01-10 /decuslib10-04/01/43,50343/filter.cbl 1980-07-10 /decuslib20-03/01/decus/20-0081/filter.cbl