Accent on science / 
Sund, Robert B ...[et.al.]. 
 - Columbus, Ohio :  Charles E. Merrill Publishing Co.,  1985. 
 - iv, 156 pages :  colored illustration ;  25 centimeter. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>067506841X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.
<br/><br/><label>Dewey Class. No.: </label>FOR 500 Ac21 1985