Massive star birth- a crossroads of astrophysics  proceedings of the 227th symposium of the International Astronomical Union held in Acireale, Italy, May 16-20, 2005 
edited by Riccardo Cesaroni…[et al.]                                         
 - Cambridge  Cambridge University Press  2005 
 - xxi, 460p. 
 - IAU symposium; no. 227 .
<br/><br/><label>ISBN: </label>0-521-85198-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics<br/>Star formation
<br/><br/><label>Universal Decimal Class. No.: </label>082.2:52  / IAU-S227