WASET
    Yuki. Akiyama and  Hiroaki. Sengoku and  Ryosuke. Shibasaki,  Automatic Detection and Spatio-temporal Analysis of Commercial Accumulations Using Digital Yellow Page Data.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2010, vol. 42(6). 154 - 159
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/5661.