Bonola, Roberto <br/><br/>
Non-Euclidean geometry  a critical and historical study of its development. 
Authorized English translation with additional appendices by H. S. Carslaw. With an introd. by Federigo Enriques. 
 - [New York]  Dover Publications  [1955] 
 - xii, 268, xxx, 71, 50 p.  illus., diagrs. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>55014932 //r862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Hyperbolic.
<br/><br/><label>LC Class. No.: </label>QA685  / .B83 1955 
<br/><br/><label>Dewey Class. No.: </label>513.8