1978-02-15 /decuslib10-09/01/43,50466/difeq.ctl 1981-03-08 /decus_20tap5_198111/01/decus/20-0137/difeq/difeq.ctl 1981-03-08 /decuslib20-05/01/decus/20-0137/difeq/difeq.ctl