Nichols, Eugene Douglas,  1923- <br/><br/>
Mathematics :  patterns and structure / 
Eugene D. Nichols ; Frances Flournou, Robert Kalin, Leonard Simon. 
 - Rev. ed. 
 - [United States]:   Holt, Rinehart and Winston, Inc.,   1968.  
 - v, 442 p. ;  24 cm. 
 -  8 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.7