_Geometry Helen R. Pearson  

 - Boston Ginn and company 1971  
 - xi,580p., ill  
<br/><br/> includes index   includes index  
<br/><br/><label>ISBN: </label>663212065 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Geometry 
<br/><br/><label>LC Class. No.: </label>QA