TY - JOUR AU - A. Noels AU - Peter Conti AU - M. Gabriel AU - J. Vreux BT - Astronomy and Astrophysics DA - 12/1980 N1 - JILA Pub. 2138 PY - 1980 SP - 242 EP - 245 T2 - Astronomy and Astrophysics TI - Surface composition changes in massive star evolution with mass loss UR - http://adsabs.harvard.edu/full/1980A\%26A....92..242N VL - 92 ER -