@book{Jörgensen1998,
author = {Jörgensen, Kirsten},
year = {1998},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Umweltmanagement},
url = "http://dx.doi.org/10.17169/refubium-23278",
}