@article{PolumskyKirsch1983,
  author    = {Polumsky, Dieter and Kirsch, Helmut},
  title     = {Fl{\"a}chenhafte Verkehrsberuhigung / Kirsch, Helmut; Polumsky, Dieter},
  series = {Der St{\"a}dtetag. 36 (1983), H. 8},
  journal   = {Der St{\"a}dtetag. 36 (1983), H. 8},
  isbn      = {0038-9048},
  pages     = {552 -- 560},
  year      = {1983},
  language  = {de}
}
@article{PolumskyKirsch1984,
  author    = {Polumsky, Dieter and Kirsch, Helmut},
  title     = {Entscheidungsfindung f{\"u}r oder gegen Verkehrsverlagerungen / Kirsch, Helmut; Polumsky, Dieter},
  series = {Der St{\"a}dtetag. 37 (1984), H. 6},
  journal   = {Der St{\"a}dtetag. 37 (1984), H. 6},
  isbn      = {0038-9048},
  pages     = {417 -- 427},
  year      = {1984},
  language  = {de}
}