A comparative study for accuracy assessment of PPP technique using GPS and GLONASS in urban areas

Autor: Alkan, Reha Metin a, b, ⁎, İlçi, Veli a, Ozulu, İ. Murat a, Saka, M. Halis c
Zdroj: In Measurement June 2015 69:1-8
Databáze: ScienceDirect