Food and Agriculture Organization of the United Nations <br/><br/>
Water quality criteria for European freshwater fish report on combined effects on  freshwater fish and other aquatic life of mixtures of toxicants in water 

 - Rome  The Author   1980 
 - 49p.; 28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fishes,Freshwater-Europe<br/>Freshwater Fishes Europe
<br/><br/><label>Dewey Class. No.: </label>639.97709294  / FOO