@Article{haklay2008openstreetmap,
  author = {Haklay, M. and Weber, P.},
  title  = {OpenStreetMap: User-Generated Street Maps},
  journal = {Pervasive Computing},
  year   = {2008},
  number = {4},
  url    = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4653466&tag=1},
  doi = {10.1109/MPRV.2008.80},
  const  = {\ text}
}