Sitomer, Mindel       frey50        <br/><br/>
Lines, segments, polygons 
Mindel & Harry Sitomer; Illustrated by Robert Quackenbush 
 - New York  Thomas Y. Crowell Company  1972 
 - 33 p. 
<br/><br/><label>ISBN: </label>0-690-49486-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry--Basic geometry
<br/><br/><label>Dewey Class. No.: </label>j516 Sit   25