Roger, Pierre A. <br/><br/>
Biology and Management of The Floodwater Ecosystem in Ricefields 

 - Smith, William H. 
 - P.O. Box 933, Manila1099, Philippines.250 p  International Rice Research Institute  1996 
 -  p.250:pic.:ill. 
<br/><br/><label>ISBN: </label>971220068x 
<br/><br/><label>Universal Decimal Class. No.: </label>633.18  / DOA