Netherland: Ministry of Agriculture and Fisheries, Agricultu <br/><br/>
Fish farming in ponds 

 - Netherland  Ministry of Agriculture and Fisheries, Agricultural Educatio  1988 
 - 129 p. 
<br/><br/><label>ISBN: </label>248992 
<br/><br/><label>Dewey Class. No.: </label>639.31  / NET