Magnus, Wilhelm <br/><br/>
Noneuclidean tesselations and their groups  / 

 - New York:  Academic Press,  1974 
 - xiv, 207p. Index 
 - Pure and Applied Mathematics : a series of monographs & textbooks ; 61 .
<br/><br/><label>Dewey Class. No.: </label>516  / M199.NT