Premazzi, G. <br/><br/>
Ecological quality of surface waters :   Quality assessment schemes for European Community lakes 

 - Luxemburgo :   Joint Research Centre. Commission of the European Communities,   1992. 
 - 122 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LAGOS<br/>ECOLOGIA
<br/><br/><label>Universal Decimal Class. No.: </label>556.55