Hofmann-Wellenhof, Bernhard Global Positioning System theory and practice Bernhard Hofmann-Wellenhof, Herbert Lichtenegger and James Collins - 4th rev. - New York SpringerWein 1997 - xxii+389p. abbrev;illus;index;refs ISBN: 3-211-82839-7 Subjects--Topical Terms: GpsSatellite Geodesy Universal Decimal Class. No.: 528.2:551.242 / HOF