TY  - BOOK
AU  - Kaplan,Elliott D.
TI  - Understanding GPS: principles and applications 
SN  - 0890067937 (alk. paper)
AV  - G109.5 .K36 1996
U1  - 623.89/3 20
PY  - 1996///
CY  - Boston
PB  - Artech House
KW  - Global positioning system
N1  - Includes bibliographical references and index
ER  -