author = { },

title = { Natural resources water series },

publisher = {United Nations},

isbn = {1010-397X},

keywords = { Wasserversorgung , Amtsdruckschrift , Graue Literatur , Monografische Reihe },

year = {1975-},

abstract = {Beteil. Körp. anfangs: Department of Economic and Social Affairs},

address = { New York, NY },

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