Creating location services for the wireless Web : professional developer's guide /
Johan Hjelm.
- New York : Wiley, 2002 1423.
- xv, 431 p. : ill., map ; 24 cm. + 1 CD-ROM (4 3/4 in.)
- Professional developer's guide series .
Includes index.
0471402613
Wireless Application Protocol (Computer network protocol) Web site development. Geographic information systems. Cell phone systems. Automatic tracking.