2009
Performance evaluation of bus lines with data envelopment analysis and geographic information systems.
[DOI]
Yong Lao
,
Lin Liu
Comput. Environ. Urban Syst., 2009

1997
Managing Highway Accidents Involving Gaseous Hazardous Spills: A GIS Supported Simulation.
[DOI]
Yong Lao
Ann. GIS, 1997