KEALY, ALLISON, ALAM, NIMA, TOTH, CHARLES, MOORE, TERRY, GIKAS, VASSILIS, DANEZIS, CHRIS, ROBERTS, GETHIN WYN, RETSCHER, GUENTHER, HASNUR-RABIAIN, AZMIR, GREJNER-BRZEZINSKA, DOROTA A and OTHERS, 2012. Collaborative navigation with ground vehicles and personal navigators In: Indoor Positioning and Indoor Navigation (IPIN), 2012 International Conference on. 1-8