Welchons, A. M. <br/><br/>
New solid geometry/ 
A. M. Welchons and W. R. Krickenberger 
 - Boston;  Ginn and company,  1955 
 - x, 326 pages :   illustrations, diagrams 
<br/><br/><label>LCCN: </label>unk82073334  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Solid.
<br/><br/><label>LC Class. No.: </label>QA 457  / .W45 1955