Kaveh Pahlavan Xinrong Li Mika Ylianttila Ranvir Chana Matti Latva-aho An Overview of Wireless Indoor Geolocation Techniques and Systems. 1-13 2000 conf/networking/2000w Mobile and Wireless Communication Networks http://link.springer.de/link/service/series/0558/bibs/1818/18180001.htm db/conf/networking/mwcn2000.html#PahlavanLYCL00