Bartell, Steven M <br/><br/>
Ecological risk estimation  
/ by Steven M. Bartell,Robert H.Gardner,  Robert V  O Neill 
 - Boca Raton:    Lewis Pub;   1992.  
 - 252 p. 
<br/><br/><label>ISBN: </label>0-87371-163-7 
<br/><br/><label>Dewey Class. No.: </label>574.5222  / BAR/E