TY - CPAPER AU - Peter Conti CY - Geneva, Switzerland N1 - JILA Pub. 2795 PB - D. Reidel Publishing Company, Dordrecht, The Netherlands, Boston, MA, Hingham, MA PP - Geneva, Switzerland PY - 1984 SN - 90-277-1774-5 TI - Basic Observational Constraints on the Evolution of Massive Stars UR - http://adsabs.harvard.edu/full/1984IAUS..105..233C ER -