Blumenthal, Leonard M. <br/><br/>
Studies in geometry / 
Leonard M. Blumenthal, Karl Menger. 
 - San Francisco :  W.H. Freeman,  c1970. 
 - xiv, 512 p. 
<br/><br/><label>ISBN: </label>0716704374 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry.