Narayan, Badri <br/><br/>
Find the half-circles/ 
Badri Narayan 
 - New Delhi:  National Book Trust,  1989. 
 - 16 p. 
<br/><br/><label>ISBN: </label>8123711158 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Kreis<br/>Halbkreis
<br/><br/><label>Dewey Class. No.: </label>800.0833  / NAR/F