First starts : pollution  

 - London   Watts Books  1995 
 - 32 
<br/><br/><label>ISBN: </label>0 7496 0711 4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>Ref 030 F5191 v.19