Search for: [References = "2. Denisiuk, Z., Stoyko, S., and Terray, J. \(1997\), Experience in cross\-border cooperation for national park and protected areas in central Europe, in\: Nelson J. G. and Serafin R. \(eds.\) National parks and protected areas\: Keystonses to conservation and sustainable development, Springer, Berlin, 145–150."]