Raven, Peter H, <br/><br/>
Environment  Textual Documents 
Peter H.Raven,Linda R.Berg, George B.Johnson 
 - NewYork:  Saunders College Publishing. 
 - 569p:  24cm. 
<br/><br/><label>ISBN: </label>0-03-014329-2 
<br/><br/><label>Subjects--Index Terms: </label>Environment Eco - General Sec 
<br/><br/><label>Dewey Class. No.: </label>363.7