author = { Federation of Nature and National Parks of Europe Heiss, Gerhard },

title = { Nationalparke: Die Natur Europas },

publisher = {FNNPE [u.a.]},

keywords = { Europa , Nationalpark },

year = {[ca. 1993]},

address = { Grafenau },

url = { http://slubdd.de/katalog?TN_libero_mab2 }