Holmes, Neal J. <br/><br/>
Gateways to science 
Neal J. Holmes 
 - New York  McGraw-Hill  1979 
 -  128p 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>500  / HOG