author = { Tonah, Steve AND Salzman, Carl AND Galaty, John G. },

title = { Nomads in a Changing World },

publisher = {JSTOR},

isbn = {0025-1496},

keywords = { General Earth and Planetary Sciences , General Environmental Science },

year = {1993},

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