1979-12-20 /decus_20tap5_198111/01/decus/20-0139/abstra.doc 1979-12-20 /decuslib10-08/01/43,50474/abstra.doc 1979-12-20 /decuslib20-05/01/decus/20-0139/abstra.doc 1981-08-11 /decuslib10-10/01/43,50524/abstra.doc 1983-12-19 /decuslib20-05/01/decus/20-0147/abstra.doc 1983-12-20 /decuslib10-08/01/43,50510/abstra.doc 1984-07-29 /decuslib10-12/01/43,50553/abstra.doc 1985-06-12 /decuslib10-13/01/abstra.doc 1985-06-12 /decuslib10-13/02/abstra.doc 1985-06-12 /decuslib10-13/03/abstra.doc 1985-06-12 /decuslib20-09/01/decus/20-34/abstra.doc