1. SNR-based multipath error correction for GPS differential phase
2. Baroni L. and Kuga K. Helio (2005) Analysis of navigational algorithms for a real time differential GPS system, Proceedings of 18th International Congress of Mechanical Engineering, Ouro Preto, Brazil, 6-11 November.
3. Dammalage T. L., Srinuandee P., Samarakoon L., Susaki J. and Srisahakit T. (2006) Potential Accuracy and Practical Benefits of NTRIP Protocol Over Conventional RTK and DGPS Observation Methods, Proceedings of MapAsia, Bangkok, Thailand, 29 August –1 September.