TY - JOUR
AU - Peter Conti
AU - S. Frost
BT - The Astrophysical Journal
DA - Jan-03-1977
DO - 10.1086/155098
PY - 1977
EP - 728
T2 - The Astrophysical Journal
TI - Spectroscopic studies of O-type stars. VI - The earliest types: O3-O5.5
UR - http://articles.adsabs.harvard.edu/full/1977ApJ...212..728C
VL - 212
SN - 0004-637X
ER -