@misc{DeffnerHefter2015,
  author    = {Jutta Deffner and Tomas Hefter},
  title     = {Sustainable mobility cultures and the role of cycling planning professionals},
  booktitle = {ISOE Policy Brief No. 3/2015},
  issn      = {2365-1148},
  url       = {http://www.isoe.de/fileadmin/redaktion/Downloads/Mobilitaet/policy-brief-isoe-2015-3.pdf},
  institution = {Institut f{\"u}r sozial-{\"o}kologische Forschung (ISOE)},
  series    = {ISOE Policy Brief},
  number    = {3},
  type      = {workingpaper},
  pages     = {1 -- 5},
  year        = {2015},
}