Koponen, Seppo  1944- <br/><br/>
Ground-living arthropods along pollution gradient in boreal pine forest / 
Seppo Koponen & Pekka Niemelä. 
 -- [s.l. :   [s.n.],   1995 
 - P. 127-131 
<br/><br/> Separata de : Entomologica Fennica. Vol. 6 (1995) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artrópodos<br/>Finlandia
<br/><br/><label>Universal Decimal Class. No.: </label>595.2(480)