@book{Hoffmann2000,
author = {Hoffmann, Christopher},
year = {2000},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Vom administrativen Markt zur virtuellen Ökonomie},
url = "http://dx.doi.org/10.17169/refubium-21628",
}