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- [2] X-RAY OBSERVATIONS OF CYGNUS-A WITH THE EINSTEIN-OBSERVATORY BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1979, 24 (04): : 640 - 640
- [4] X-RAY OBSERVATIONS OF SS-433 WITH THE EINSTEIN-OBSERVATORY VISTAS IN ASTRONOMY, 1981, 25 (1-2): : 61 - 69
- [7] OBSERVATIONS OF X-RAY SOURCES IN M31 WITH THE EINSTEIN-OBSERVATORY BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1979, 24 (04): : 640 - 640
- [8] X-RAY SELECTED ACTIVE GALACTIC NUCLEI FROM EINSTEIN-OBSERVATORY OBSERVATIONS BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1980, 25 (04): : 510 - 510
- [10] OBSERVATIONS OF GALAXIES IN THE VIRGO CLUSTER WITH THE EINSTEIN-OBSERVATORY BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1979, 24 (04): : 620 - 620