Zitat
U. Großmann, C. Röhrig, S. Hakobyan, T. Domin, and M. Dalhaus, “WLAN Indoor Positioning based on Euclidian Distance and Interpolation (Isobars,” in Proceedings of the 8th Wireless Technologies Kongress, Düsseldorf: VDI-Verlag, 2006, pp. 296–305.