Edge, W. L. <br/><br/>
The theory of ruled surfaces / 
 Ruled surfaces 
by W.L. Edge. 
 - Cambridge :   The University press,   1931 
 - viii, 324 p. :   ill. ;   28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surfaces.
<br/><br/><label>Dewey Class. No.: </label>516.59  / EDT 1931