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1989IAUS..131...50A - 131st Symposium of the IAU held in Mexico City, Mexico, October 5-9, 1987. Ed S. Torres-Peimbert. Planetary Nebulae, 131, 50 (1989)
New observations of planetary nebulae S22 and YM29.
ARKHIPOVA V.P., LOZINSKAYA T.A., MOSKALENKO E.I. and SITNIK T.G.
Journal keyword(s):
Simbad objects: 2
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