TY  - BOOK
AU  - Küpper,Axel
TI  - Location-based services: fundamentals and operation 
SN  - 0470092319
AV  - QA76.59 K86
U1  - 004.165 22
PY  - 2005///
CY  - Chichester, Inglaterra
PB  - J. Wiley
KW  - Computación móvil
ER  -