Encyclopaedic dictonary of physics  vol. 7, stellar magnitude to zwitter Ion 
edited by J. Thewlis                                               
 - Oxford  Pergamon Press  1962 
 - ix, 894p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia-Physics<br/>NASA Thesaurus<br/>Physics Encyclopedia
<br/><br/><label>Universal Decimal Class. No.: </label>3:12  / THE-7