@book{BeckerBachmannBormannetal., author = {Becker, Carlo W. and Bachmann, Felix and Bormann, Oliver and Koch, Michael and Kr{\"u}ger, Helga and Risse, Simone}, title = {Freiraumqualit{\"a}tsoffensive Hamburg Eimsb{\"u}ttel}, address = {Hamburg}, language = {de} }