TY - GEN AU - Nelson, James. Gordon [ed.] AU - Rafal Serafin [ed.] TI - National parks and protected areas: keystones to conservation and sustainable development SN - 3540635270 PY - 1997/// CY - New York PB - Springer KW - National parks and reserves - Europe - Congresses KW - National parks and reserves - North America - Congresses ER -