- Location based-Services for WAP Phone Users in a Shopping Centre
- Jan 2003
- Applied GIS and Spatial Analysis
- John Wiley & Sons
- A Eduardo Dias, António Câmara
- 978-0-470-84409-0
- http://books.google.pt/books?id=DXg1orrrk5UC&pg=PA55&lpg=PA55&dq=Location+based-Services+for+
- 55 to 70
- 1 Jan 2003