Integrating Geographic Information Systems, Spatial Digital Libraries and Information Spaces for Conducting Humanitarian Assistance and Disaster Relief Operations in Urban Environments. - Vished Kumar; Alejandro Bugacov; Murilo Coutinho; Robert Neches (ACM-GIS, 1999)

GeoWorlds: integrating GIS and digital libraries for situation understanding and management. - Robert Neches; Ke-Thia Yao; Alejandro Bugacov; Vished Kumar; Ragy Eleish (New Rev. Hypermedia Multim., 2001)