TY - CPAPER AU - Peter Conti CY - Washington, D.C. DA - 00/1978 N1 - JILA Pub. 1692 PB - Dordrecht, D. Reidel Publishing Co. PP - Washington, D.C. PY - 1978 TI - Evolution of massive stars - When does an Of star become a WR star UR - http://adsabs.harvard.edu/full/1978IAUS...80..369C ER -