The interstellar medium in external galaxies  proceedings of the second Wyoming confrerence on the interstellar medium in external galaxies, summaries of contributed papers, held in Grand Teton National Park Wyoming, US, 3-7 July 1989 
edited by D. J. Hollenbach and H. A.Thronson                                           
 - Washington  National Aeronautics and Space Administration  1990 
 - xvi, 401p. 
 - NASA conference publication; 3084 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Galaxies<br/>Interstellar matter
<br/><br/><label>Universal Decimal Class. No.: </label>524.5(082.2)  / NASA