Turk, Janathan <br/><br/>
Environmental science 
Janathan, Turk and others. 
 - 3rd ed. 
 - Philadelphia  Sounders College Publishing  1984 
 - xii, 544p., ill.; 26cm. 
 - (Saunders golden Sunburst series in environmental studies) . .
<br/><br/><label>ISBN: </label>0-03-058467-1. 
<br/><br/><label>Dewey Class. No.: </label>304.2  / T87E