Blumenthal, Leonard M <br/><br/>
Modern geometry: The straight line and circle / 
Blumenthal, Leonard M 
 -  Macmillan & Co. Ltd., London,  1961 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry; Mathematics
<br/><br/><label>Dewey Class. No.: </label>516 BLU-M