I. , S. , and R. Practices, Annex 10 Radio Navigation Aids Civil Aviation requirements for EGNOS, EUROCONTROL/GNSS programme, 2001.

E. Benoit-roturier, J. Chatre, and . Ventura-traveset, The SBAS integrity concept standardized by ICAO Application to EGNOS Probability, random variables and stochastic processes, EGNOS, a first step towards Galileo, 1991.