Groves, PD; Jiang, Z; Rudi, M; Strode, P; (2013) A Portfolio Approach to NLOS and Multipath Mitigation in Dense Urban Areas. In: Proceedings of the 26th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2013). (pp. 3231 - 3247). The Institute of Navigation: Manassas, US.