20160731              frey50        <br/><br/>
Young people's science encyclopedia v.6 
National College of Education 
 - Chicago  Children's Press  1993 
 - 507-597 p. 
 - Young People's Science Encyclopedia  Di-Em  Volume 6 . <br/><br/><label>ISBN: </label>0-516-101064 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>j503 You   25