Kajak, Anna <br/><br/>
Zmiany liczebnosci pajaków na kilku lakach = Changes in the abundance of spiders in several meadows / 
 Changes in the abundance of spiders in several meadows 
Anna Kajak. 
 -- [Warszawa :   Polska Akademia Nauk],   1960 
 - pp. 199-228 
<br/><br/> Separata de : Ekologia Polska, Serie A Tom. VIII, n. 9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arácnidos<br/>Arañas
<br/><br/><label>Universal Decimal Class. No.: </label>595.4