Nebel,, Bernard J . <br/><br/>
Essential Of Environmental Science /  Textual Documents 
Bernard J.Nebel,Richard T.Wright. 
 - 7 th / 
 - Boston :  Pearson Custom Publishing ,  1981. 
 - 664 P :  Ill ;  27 Cm . 
<br/><br/>Index,Picture,Graph,Maps Etc 
<br/><br/><label>ISBN: </label>0-536-60239-5 
<br/><br/><label>Subjects--Index Terms: </label>Environmental Science 
<br/><br/><label>Dewey Class. No.: </label>910  / Ne 276 Es