TY - JOUR
AU - John Castor
AU - D. van Blerkom
BT - The Astrophysical Journal
DA - Jan-09-1970
DO - 10.1086/150554
PY - 1970
EP - 485
T2 - The Astrophysical Journal
TI - Excitation of he II in Wolf-Rayet Envelopes
UR - http://adsabs.harvard.edu/full/1970ApJ...161..485C
VL - 161
SN - 0004-637X
ER -