1979-11-21 /BB-4172G-BM/01/language-sources/operator.ctl 1979-11-21 /BB-5255D-BM/01/language-sources/operator.ctl 1979-11-21 /BB-D868C-BM/01/language-sources/operator.ctl 1979-11-21 /BB-D868D-BM/01/language-sources/operator.ctl 1979-11-21 /BB-H138B-BM/01/language-sources/operator.ctl 1979-11-21 /BB-J713A-BM/01/language-sources/operator.ctl 1979-11-21 /bb-d868c-bm_tops20_v4_2020_distr/01/language-sources/operator.ctl 1982-02-03 /BB-H138C-BM/01/galaxy-sources/operator.ctl