HAIRSTON, Nelson G. <br/><br/>
Ecological experiments: purpose, design and execution 
/Nelson G.Hairston 
 - Cambridge  Cambridge University press  1989 
 - xiii, 370 p. 
<br/><br/> Includes references and index. 
<br/><br/><label>ISBN: </label>521346920 
<br/><br/><label>Dewey Class. No.: </label>574.5072  / HAI