Encyclopaedia britannica. 

 - London :  Encyclopaedia Britannica,  c 1973. 
 - Vols. :  ill. ;  28 cm. 
<br/><br/>V. 4 -- ; 
<br/><br/>344  344 
<br/><br/><label>ISBN: </label>0-85229-173-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General encyclopedic works.
<br/><br/><label>Dewey Class. No.: </label>032 / E19