Amavis R Ed. <br/><br/>
Proceeding on principles and methods for determining ecological criteria on hydrobiocensoses 
Amavis R Ed.; Smeets J Ed. 
 - Oxford  Pergamon press          1976 
 - 531p 
<br/><br/><label>Standard No.: </label>43983 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>G955p5,N75, L6