TY  - CPAPER
AU  - Jacek Betleja
TI  - THE UPPER VISTULA VALLEY NATURA 2000 AREA   A KEY ELEMENT OF THE MOST IMPORTANT ECOLOGICAL CORRIDOR IN CENTRAL EUROPE
T2  - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION
PY  - 2013
DO  - 10.5593/sgem2013/be5.v1/s20.142
PB  - Stef92 Technology
ER  -