Heimler, Charles H. (Charles Herbert), 1930- <br/><br/>
Principles of science 
Charles H. Heimler Charles D. Neal, consultant 
 - 3rd ed. 
 - Columbus, Ohio  Charles E. Merrill  1975 
 - 498p. ill.(some col.) 25cm. 
 - A Merrill science text .
<br/><br/><label>ISBN: </label>0675075335 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)