@book{Hülser2013,
author = {Hülser, Sarah},
year = {2013},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Power Cycle Theory Reconsidered},
url = "http://dx.doi.org/10.17169/refubium-22503",
}