共 12 条
- [1] BLAKE GM, 1970, ASTROPHYS LETT, V6, P167
- [2] BLAKE GM, 1970, ASTROPHYS LETT, V6, P201
- [4] BRUN A, 1957, ATLAS 139 SELECTED A
- [5] STATISTICS OF OPTICAL VARIATIONS OF A LARGE SAMPLE OF QUASARS [J]. NATURE-PHYSICAL SCIENCE, 1971, 230 (17): : 199 - &
- [10] PENSTON MV, 1970, ROB159