Heimler, Charles H. (Charles Herbert), 1930- <br/><br/>
Principles of science 
Charles H. Heimler Charles D. Neal, consultant 
 - Columbus, Ohio  Charles E. Merrill  1983 
 - 533 p. : ill.(some col.) ; 25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>067507732X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)