TY - JOUR AU - H. Lamers AU - A. Maeder AU - Werner Schmutz AU - J. Cassinelli BT - The Astrophysical Journal DA - Jan-02-1991 DO - 10.1086/169717 PY - 1991 EP - 538 T2 - The Astrophysical Journal TI - Wolf-Rayet stars as starting points or as endpoints of the evolution of massive stars? UR - http://adsabs.harvard.edu/full/1991ApJ...368..538L VL - 368 SN - 0004-637X ER -