TY  - BOOK
AU  - Yehuda,Bock
AU  - Leppard,Norman
TI  - Global positioning system: an overview 
SN  - 0387972668
PY  - 1990///
CY  - New York
PB  - Springer-Verlag
KW  - Global Positioning System
KW  - Congresses
N1  - Proceedings from a symposium held Aug.7-8, 1989, in Edinburgh, Scotland, as part of the International Association of Geodesy's 125th anniversary General meeting; Includes bibliographical references
ER  -