O stars and Wolf-Rayet stars 
edited by Conti, Peter S. and Anne B. Underhill                                               
 - NASA  Washington  1988 
 - lxxxiii, 428p. 
 - Mongraph series on nonthermal phenomena in stellar atmospheres .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>O stars<br/>Wolf-Rayet stars
<br/><br/><label>Universal Decimal Class. No.: </label>524.358(082.2)  / NASA