Food choice in some freshwater, crustacean zooplankters / 
Lars Bern. 
 - Uppsala :  [University],   1990. 
 - 15 p. 
 - Comprehensive summaries of Uppsala dissertations from the Faculty of Science ;   245 .
<br/><br/>Includes bibliogr. references. 
<br/><br/><label>Subjects--Index Terms: </label>ლიმნოლოგია 
<br/><br/><label>Universal Decimal Class. No.: </label>556.55