TY - JOUR
AU - W.-R. Hamann
AU - G. Dunnebeil
AU - L. Koesterke
AU - Werner Schmutz
AU - U. Wessolowski
BT - Astronomy and Astrophysics
N1 - JILA Pub. 4471
PY - 1991
SP - 443
EP - 454
T2 - Astronomy and Astrophysics
TI - Spectral analyses of Wolf-Rayet stars: hydrogen abundances in WN subtypes
UR - http://articles.adsabs.harvard.edu/full/1991A\%26A...249..443H
VL - 249
ER -