@misc {IOPORT.70250385,
    author       = {Onishi, Masaki and Yoda, Ikushi},
    title        = {Visualization of customer flow in an office complex over a long period},
    howpublished = {ICPR, 1747-1750 (2010).},
    year         = {2010},
    doi          = {10.1109/ICPR.2010.432},
    identifier   = {70250385},
}