Journal of Transport Geography · 2002 · 29 citations · 22 references
Social SciencesUrban PlanningUrban StudiesSpatial AnalysisUrban DevelopmentTrip DistributionUrban SustainabilityUrban TransportTravel Demand AnalysisTravel Survey AnalysisUrban Sustainability AssessmentZonal Schemes
22
Colin J. Campbell, Jean Laherrère · Scientific American · 1998 · 1K citations
Natural Resources, Natural Resource Economics, Resource Economics +8