@misc {IOPORT.70591262,
    author       = {L\"ochtefeld, Markus and Gehring, Sven and Sch\"oning, Johannes and Kr\"uger, Antonio},
    title        = {Pinwi: pedestrian indoor navigation without infrastructure},
    howpublished = {NordiCHI, 731-734 (2010).},
    year         = {2010},
    doi          = {10.1145/1868914.1869016},
    identifier   = {70591262},
}