Management of freshwater fisheries  proceedings of a symposium organized by the European Inland Fisheries Advisor Commission, Goteborg, Sweden, 31 May-3 June 1988 / 
editors W. L. T. van Densen, B. Steinmetz and R. H. Hughes. 
 - Wageningen :  Pudoc,  1990. 
 - 649 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>9022010147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater fishes--Management--Congresses.