a. <br/><br/>
Science explorer / 
a. 
 - [S.l.] :  Prentice Hall,  2005. 
 - 1 v. (unpaged) 
 - N. carolina ed. .
<br/><br/> Hardcover. 
<br/><br/><label>ISBN: </label>0131257870 9780131257870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>507  / PRE