Graustein, William C.  1888-1941. <br/><br/>
Introduction to higher geometry/ 
by William C. Graustein. 
 - New York:  The Macmillan company,  1930. 
 - xv, 486 p.:  diagrs.,  23 cm. 
 - A series of mathematical texts .
 - Series of mathematical texts .
<br/><br/>"Supplementary reading": p. 477-478. 
<br/><br/><label>LCCN: </label>30029481 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry;
<br/><br/><label>Dewey Class. No.: </label>516.1  / G774i