1978-05-23 /bb-d868a-bm/01/3-sources/cref.log 1978-08-29 /AP-4172F-BM/01/3a-sources/cref.log 1978-08-29 /BB-H138A-BM/01/3a-sources/cref.log 1978-08-29 /bb-d868b-bm_tops20_v3a_2020_dist/01/3a-sources/cref.log 1980-02-05 /BB-4172G-BM/01/4-sources/cref.log 1980-02-05 /BB-5255D-BM/01/4-sources/cref.log 1980-02-05 /BB-D868C-BM/01/4-sources/cref.log 1980-02-05 /BB-D868D-BM/01/4-sources/cref.log 1980-02-05 /BB-H138B-BM/01/4-sources/cref.log 1980-02-05 /BB-J713A-BM/01/4-sources/cref.log 1980-02-05 /bb-d868c-bm_tops20_v4_2020_distr/01/4-sources/cref.log 1981-05-14 /BB-L665A-BM/01/sources/cref.log 1981-05-14 /BB-L665B-BM/01/sources/cref.log