1986-07-23 /bb-bt99h-bb/02/cus703.pdf 1986-11-14 /tops10_703a_sys_atpch16_bb-fr67f-bb/02/cus703.pdf 1987-10-21 /bb-bt99l-bb/02/cus703.pdf 1988-06-30 /bb-bt99m-bb/02/cus703.pdf