Yen-Chun Lin and  Yen-Ting Chen and  Szu-Yin Lin and  Jen-Hua Wu,  Visual Tag-based Location-Aware System for Household Robots.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2008, vol. 17(5). 1772 - 1779
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/1691.