Encyclopedia of environmental science and engineering 
edited by James R. Pfafflin, Edward N. Ziegler. 
 - Philadelphia  Gordon and Breach Science  1992 
 - various pagination, 27cm 
 - (V.2). .
<br/><br/><label>ISBN: </label>2-88124-502-1. 
<br/><br/><label>Dewey Class. No.: </label>628.03  / E74E