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- [2] OBSERVATIONS OF CYG X-1 AND CYG X-3 ABOVE 7 KEV FROM OSO-7 NATURE-PHYSICAL SCIENCE, 1973, 245 (145): : 90 - 92
- [4] LONG-TERM OBSERVATIONS OF CYGNUS X-2 FROM OSO-7 ASTROPHYSICAL JOURNAL, 1974, 189 (02): : 339 - 341
- [5] 4.8 HOUR PERIODICITY IN SPECTRA OF CYGNUS-X-3 ASTROPHYSICAL JOURNAL, 1978, 224 (03): : L113 - L117
- [6] 4.8 HOUR PERIODICITY IN SPECTRA OF CYGNUS-X-3 BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1978, 23 (04): : 528 - 528
- [7] LIMITS TO SPECTRA OF PERSEUS AND COMA CLUSTERS ABOVE 7-KEV FROM OSO-7 ASTROPHYSICAL JOURNAL, 1973, 183 (01): : 15 - 18
- [8] OSO-7 OBSERVATIONS OF VARIABILITY OF SCO X-1 AND CYGNUS X-1 BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1972, 17 (04): : 501 - &
- [9] UPPER LIMIT TO X-RAY FLUX FROM SUPERNOVA IN NGC 5253 ABOVE 7 KEV FROM OSO-7 ASTROPHYSICAL JOURNAL, 1974, 193 (03): : 535 - 537
- [10] THE ASYMMETRIC 4.8-HOUR X-RAY MODULATION OF CYGNUS-X-3 - MODEL LIGHT CURVES AND INFERRED ORBITAL PARAMETERS ASTROPHYSICAL JOURNAL, 1981, 251 (01): : 230 - 245