Szuszkiewicz, Ewa, and Najbar Bartlomiej. “ENVIRONMENTAL PROTECTION IN THE PROJECT „BALANCED DEVELOPMENT IN THE SPREE-NEISSE-BOBER EUROREGION””. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 20, 1999): 196–205. Accessed April 23, 2025. https://journals23.rta.lv/index.php/ETR/article/view/1875.