Satpal <br/><br/>
Textbook of two dimensional geometry 
Satpal, Harbans Lal 
 - New Delhi  Wiley Eastern  1984 
 - 383 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry
<br/><br/><label>Dewey Class. No.: </label>516.1  / SAT M4