Encyclopaedic dictonary of physics  vol.1, A to Compensated Bars 
edited by J. Thewlis                                                 
 - Oxford  Pergamon Press  1961 
 - xv, 800p. 
<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