Cook, A. H. <br/><br/>
Celestial masers 
A. H. Cook                                                    
 - Cambridge  Cambridge University Press  1977 
 - viii, 135p. 
<br/><br/><label>ISBN: </label>0-521-21344-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Celestial masers<br/>Masers
<br/><br/><label>Universal Decimal Class. No.: </label>52-76  / COO