@article{KoskaBoehler2008,
  author    = {Koska, Thorsten and B{\"o}hler, Susanne},
  title     = {Stinkers stay out? : Traffic restriction zones as an instrument to reduce local air pollution},
  journal   = {Nikkei ecology},
  number    = {4},
  pages     = {201},
  year      = {2008},
  language  = {ja}
}