Dienes,Z.P. <br/><br/>
II. The geometry of congruence 

 -  Hutchinson education,  1967 
 - 100p.;  24cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences and mathematics
<br/><br/><label>Dewey Class. No.: </label>516  / DIE