Brower, James. <br/><br/>
Field and laboratory methods for general ecology   
by James Brower, Jerrold Zar, Carl Van Ende. 
 - 3rd. 
 - Dubuque  WCB  1990 
 - xi, 237p 
<br/><br/><label>ISBN: </label>0697051455 
<br/><br/><label>Dewey Class. No.: </label>574.50724  / N901