共 7 条
- [1] CHEVALIER C, 1973, IAU2561 CIRC
- [3] FABIAN AC, 1973, IAU2555 CIRC
- [4] FURTHER X-RAY OBSERVATIONS OF HERCULES X-1 FROM UHURU [J]. ASTROPHYSICAL JOURNAL, 1973, 184 (01) : 227 - 236
- [5] KUROCHKIN N, 1972, USSR717 ASTR CIRC
- [6] KUROCHKIN N, 1973, 753 VAR STARS INF B