@conference {12888,
	title = {GIS development for mapping and analysis of disasters in the municipality of Philadelphia since the earthquake of 07/09/1999.},
	booktitle = {Social Practices and Spatial Information: European and Greek Experience in GIS},
	year = {2002},
	author = {Vaiopoulos, D. and Vassilopoulos, A. and Evelpidou, N.}
}
