Dorwart, Harold L. <br/><br/>
The geometry of incidence / 
Harold L. Dorwart. 
 - New Haven, Conn. :  Autotelic,  c1966. 
 - xvii, 159 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Projective.