Busemann, Herbert. <br/><br/>
Projective geometry and projective metrics / 
By Herbert Busemann, Paul Joseph Kelly. 
 - 1st Ed. 
 - Mineola, N.Y. :  Dover Publications, 2006,  2006. 
 - 332p. ;  00 cm. 
<br/><br/><label>ISBN: </label>9780486445823 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>516.7  / BUS