@misc {IOPORT.70347247,
    author       = {Ohsawa, Yukio and Hosoda, Takuma and Ui, Takeshi and Ueda, Misato and Tanaka, Hirofumi},
    title        = {RFID tags without customers ID in book library for detecting latent interest of user group},
    howpublished = {KES (2), 959-969 (2007).},
    year         = {2007},
    doi          = {10.1007/978-3-540-74827-4_120},
    identifier   = {70347247},
}