The new encyclopaedia britannica  macropaedia knowledge in depth   Excretion Geometry 

 - 15th ed. 
 - Chicago  Encyclopaedia Britannica, Inc.  1974 
 - 937p.  28cm 
<br/><br/><label>ISBN: </label>0852296339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>030  / NEW