Knorr Wilbur Richard <br/><br/>
Evolution of the euclidean elements. 
Knorr Wilbur Richard 
 -  1975 
<br/><br/><label>Standard No.: </label>20196 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B6, L5