Compton's by Britannica : vol 18 :   P-Phos 

 - 328 pages :   illustrations ;   26 cm 
 - Compton's .
 - Compton's .
<br/><br/><label>ISBN: </label>9781593392987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia and dictionaries
<br/><br/><label>Dewey Class. No.: </label>032