Wenham, M <br/><br/>
Undrstanding primary science:  ideas, concepts &explanations 
Martins Wenham 
 - London:  Paul Chapman,  2005 
 - xv, 297p.:  ill.;  23cm. 
<br/><br/> Include index and references 
<br/><br/><label>ISBN: </label>1412901634 
<br/><br/><label>LC Class. No.: </label>DUCE Q158.W42