Changing environment / 
by Susan Bermingham... [et al]. 
 - ed. 
 - London :  Heinemann,  2000. 
 - 320 p. :  col ill. ;  cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780435352462 :  $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enviroment changes.