Gyumin Hwang and Jihong Lee, Indoor Localization by Pattern Matching Method Based On Extended Database. journal = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2014, vol. 86(2). 251 - 255 [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997401.