1. Akos D, Thor J (2002) A direct RF sampling multifrequency GPS receiver. In: Proc IEEE Int Conf Position Location and Navigation Symposium, April 2002, Palm Springs, California
2. Akos D, Normark P-L, Enge P, Hansson A, Rosenlind A (2001a) Real-time GPS software radio receiver. In: Proc 2001 National Technical Meet, 22-24 January 2001, Long Beach, California
3. Akos D, Normark P-L, Hansson A, Rosenlind A, Ståhlberg C, Svesson F (2001b) Global positioning system software receiver (gpSrx) implementation in low cost/power programmable processors. In: Proc ION-GPS 2001, 14th Int Technical Meet Satellite Division Institute of Navigation, 11–14 September 2001, Salt Lake City, Utah
4. Ashjaee J (2001) GPS: the challenge of a single chip. GPS World May 2001
5. Clarke P (2002) Analog devices spins a monolithic MEMS gyro. Semiconductor Business News 1 October-2002