@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} } @book{BeckerHuebnerKrueger, author = {Becker, Carlo W. and H{\"u}bner, Sven and Kr{\"u}ger, Helga}, title = {Urbanes Gr{\"u}n - Konzepte und Instrumente : Leitfaden f{\"u}r Planerinnen und Planer}, publisher = {MBWSV NRW}, address = {D{\"u}sseldorf}, pages = {92}, language = {de} }