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1977ApJ...218....1B - Astrophys. J., 218, 1-7 (1977)
Observations of Fe II and Mg II absorption in QSOs with Zabs ≪Zem.
BURBIDGE E.M., SMITH H.E., WEYMANN R.J. and WILLIAMS R.E.
Journal keyword(s):
Simbad objects: 10
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