title = {Intervisibility on terrains},
author = {Leila De Floriani and Paola Magillo},
booktitle = {Geographic Information Systems: Principles, Techniques, Managament and Applications},
publisher = {John Wiley & Sons},
editor = {P. A. Longley and M. F. Goodchild and D. J. Maguire and D. W. Rhind},
pages = {543--556},
year = {1999},
url = {},
chapter = {38}}

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