Hofmann-Wellenhof, B. (Bernhard) Global Positioning System : theory and practice / B.Hoffmann-Wellenhof, H.Lichtenegger and J. Collins - Wien, Austria : Springer-Verlag, 1992 - 326 p. ; 23 cm. Bibliography : p. [289]-311 ISBN: 3211823646 Subjects--Topical Terms: Global positioning system