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1987IAUS..122..509W - 122nd Symposium of the IAU held in Heidelberg, F.R.G., June 23-27, 1986 Ed. by I. Appenzeller and C. Jordan. Circumstellar matter, 122, 509-510 (1987)
How unique is the protoplanetary nebula star HR 4049 ?
WAELKENS C.L. and WATERS L.B.F.M.
Journal keyword(s):
Simbad objects: 4
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