@book{Becher2011,
author = {Becher, Wolf},
year = {2011},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Robert Koch},
url = "http://dx.doi.org/10.17169/refubium-19240",
}