Beutler, G. (1996). GPS trends in precise terrestrial, airborne, and spaceborne applications: : Boulder, CO, USA, July 3-4, 1995. Berlin: Springer-Verlag.
Παραπομπή Chicago StyleBeutler, Gerhard. GPS Trends in Precise Terrestrial, Airborne, and Spaceborne Applications: : Boulder, CO, USA, July 3-4, 1995. Berlin: Springer-Verlag, 1996.
Παραπομπή MLABeutler, Gerhard. GPS Trends in Precise Terrestrial, Airborne, and Spaceborne Applications: : Boulder, CO, USA, July 3-4, 1995. Berlin: Springer-Verlag, 1996.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.