"HOLT" <br/><br/>
Holt science and technology grade 6 

 - Texas edition 
 - New york :  Hartcourt education company ,  2001 . 
 - 708 pages ,  illustrations :  27.5 cm 
<br/><br/><label>ISBN: </label>9780030643613 
<br/><br/><label>Dewey Class. No.: </label>TR 500.030  / HOL-H