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1978Natur.271...35R - Nature, 271, 35-37 (1978)
Discovery of an X-ray QSO.
RICKER G.R., CLARKE G.W., DOXSEY R.E., DOWER R.G., JERNIGAN J.G., DELVAILLE J.P., MacALPINE G.M. and HJELLMING R.M.
Journal keyword(s):
Nomenclature: NAME MR 2251-178 = QSO 2251-178
Simbad objects: 1
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