CREATING LOCATION SERVICES FOR THE WIRELESS WEB : PROFESSIONAL DEVELOPER'S GUIDE. - HJELM, JOHAN (NEW YORK : WILEY COMPUTER ; JOHN WILEY & SONS, 2002)
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Keywords: PROTOCOLOS DE COMUNICACIoN; SITIOS WEB; SISTEMAS DE INFORMACION GEOGRAFICA; TELEFONOS CELULARES; COMUNICACION CELULAR; libros