共 126 条
- [2] OBSERVATION OF A HARD X-RAY FLARE IN CYG X-1 [J]. NATURE-PHYSICAL SCIENCE, 1972, 238 (80): : 22 - +
- [4] [Anonymous], CLOSE BINARY SYSTEM
- [8] OBSERVATIONS OF CYG X-1 AND CYG X-3 ABOVE 7 KEV FROM OSO-7 [J]. NATURE-PHYSICAL SCIENCE, 1973, 245 (145): : 90 - 92
- [9] GAMMA-RAYS OF 1 TO 10 MEV FROM CRAB AND CYGNUS REGIONS [J]. NATURE-PHYSICAL SCIENCE, 1973, 245 (141): : 18 - 19
- [10] X-RAY-SPECTRA OF DISCRETE SOURCES IN CYGNUS [J]. ASTROPHYSICAL JOURNAL, 1972, 171 (01) : 51 - +