Robinson, Gilbert de Beauregard,  1906- <br/><br/>
The foundations of geometry/ 
by Gilbert de B. Robinson. 
 - 3d ed. 
 - Toronto:  Univ. of Toronto Press,  1952. 
 - xi, 168 p.:  diagrs.,  20 cm. 
 - Mathematical expositions,  no. 1. .
<br/><br/>Bibliography: p. 161-163. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry---Foundations.
<br/><br/><label>Dewey Class. No.: </label>516.1  / R661f