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Author(s):
Schaer, S.; Beutler, G.; Mervart, L.; Rothacher, M.; Wild, U. 
Title:
Global and regional ionosphere models using the GPS double difference phase observable 
Editor:
Gendt, G.; Dick, G. 
Book / Congress title:
Proceedings of the IGS Workshop "Special Topics and New Directions" 
Publisher:
GeoForschungsZentrum Potsdam 
Year:
1996 
Month:
01 
Pages:
77-92 
TUM Institution:
Institut für Astronomische und Physikalische Geodäsie