Lapp, Ralph E. <br/><br/>
Matter / 
by Ralph E. Lapp 
 - Amsterdam :  Time-Life International,  1965 
 - 200 p. ;  29 cm. 
 - Life science library .
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matter--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>530