Taylor, Judith M. <br/><br/>
Looking at lines / 
Judith M. Taylor. 
 - London:   Blackwell,   1969.  
 - 32 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>063112070X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.7