TY - CPAPER
AU - S. Kwok
AU - K. Volk
AU - Bruce Hrivnak
N1 - JILA Pub. 4238
PB - San Francisco: ASP
PY - 1991
TI - Candidates for bipolar proto-planetary nebulae
UR - http://adsabs.harvard.edu/full/1991ASPC...14..155K
ER -