Cull, R.G; Drake, W.A,  c1970. <br/><br/>
Concepts of Science 2 / 
Cull, R.G; Drake, W.A. 
 - New Zealand :  The Jacaranda Press,  c1970. 
 - 266p. :  illus. ;  25.4 cm. 
<br/><br/><label>ISBN: </label>0701613211