Longman dictionary of environmental science 
Lawrence, Eleonor. 
 -  Longman,  1998 
 - xii, 491 p. ;. 
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<br/><br/><label>ISBN: </label>0-582-25356-X 
<br/><br/><label>Dewey Class. No.: </label>R 363.7 L431 1998