1980-07-17 /bb-d549g-sb/01/twice.doc 1985-12-09 /BB-T573C-DD_1986/01/10,7/twice.doc 1985-12-09 /BB-T573C-DD_1986/01/5,14/twice.doc 1985-12-09 /cuspmar86binsrc_2of2_bb-fp63a-sb/01/10,7/twice/twice.doc