TY  - BOOK
AU  - Küpper,Axel
TI  - Location-based services: fundamentals and operation 
SN  - 0470092319
AV  - QA76.59 .K87 2005
PY  - 2005///
CY  - Chichester, England, Hoboken, NJ
PB  - John Wiley
KW  - Mobile computing
N1  - Includes bibliographical references (p. [343]-351) and index
ER  -