Foreign Trade Enterpr Ars Polona:UL.Krakowskie Prezedmiescie 7, 00-950 Warszawa Poland:011 48 22 8268673, EMAIL: [email protected], INTERNET: http://www.arspolona.com, Fax: 011 48 22 8268673
-INTERNATIONAL CENTRE FOR ECOLOGY, POLISH ACADEMY OF SCIENCES, DZIEKANOW LESNY, LOMIANKI, POLAND