Hofmann-Wellenhof, B. Global Positioning System : theory and practice / B. Hofmann-Wellenhof, H. Lichtenegger and J. Collins - 2nd ed. - Berlin : Springer-Verlag, 1993 - xxi, 326 p. : ill. ; 25 cm. References : p. 289-311 ISBN: 3211824774 RM160.71 Subjects--Topical Terms: Global positioning system