@book{Wellbery2010,
author = {Wellbery, David E.},
year = {2010},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Retrait - re-entry},
url = "http://dx.doi.org/10.17169/refubium-22451",
}