@inbook {677, title = {Introducci{\'o}n de informaci{\'o}n geogr{\'a}fica en terrenos 3D}, booktitle = {Gesti{\'o}n de informaci{\'o}n urbana tridimensional}, year = {2011}, pages = {71-82}, issn = {978-84-694-8374-9}, author = {Aguilera-Garc{\'\i}a, {\'A}ngel and Jim{\'e}nez-Perez, Juan Roberto and Francisco Mart{\'\i}nez} }