Hyde, Margaret O.  1917- <br/><br/>
Molecules today and tomorrow / 
by Margaret O. Hyde ; illustrated by Mildred Waltrip 
 - London :  George G. Harrap,  1963 
 - 144 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Molecules--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>539.12