Cunningham, William A. <br/><br/>
Environmental science : a global concern /  
William A Cunningham, Barbara Woodwarth Saigo. 
 - 4th ed. /   . 
 - Boston :   McGraw-Hill ,   1997. 
 - xxi,634p :   col.ills,figs ;   28cm .  
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<br/><br/><label>ISBN: </label>0697286711  USD 21.50 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENTAL SCIENCES 
<br/><br/><label>Dewey Class. No.: </label>628  / CUN/E