Environmental encyclopedia / 
Marci Bortman... [et al.], editors 
 - 3 
 - Detroit :  Thomson Gale,  2003       
 - xxxii, 929 p. 
<br/><br/>v.1 : A-M -- v.2 : N-Z 
<br/><br/><label>ISBN: </label>0787654868 
<br/><br/><label>LC Class. No.: </label>R GE 10 E61 2003