Brungs, Robert A. (editor) <br/><br/>
The external environment 

 - St. Louis, Missouri, Estados Unidos de América :  ITEST FAITH / SCIENCE PRESS,   1991 
 - 264p. 
<br/><br/><label>ISBN: </label>0-9625431-3-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGIA
<br/><br/><label>Dewey Class. No.: </label>304.28  / B894e