Water, rivers and ocean / 
World of science. 
 - London & sydony :  Bay books,  1980. 
 - 40 pages :  ilustrations 
<br/><br/>include indexes 
<br/><br/><br/>In English 
<br/><br/> Hbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>science and  -- techonolgy --water-- rivers-- oceans
<br/><br/><label>Dewey Class. No.: </label>600 WAT 1980