1. VMRS - the American Trucking Associations Maintenance Reporting Standards
2. Privatization and Efficiency in a Differentiated Industry;Simon; De Anderson;European Economic Review,1997
3. A Down-to-Earth Look at Landfill Markets;John Aquino;Waste Age,2000
4. Waste Management to Buy East Coast Hauler;Jeff Bailey;Wall Street Journal,1998
5. Estimating Discrete Choice Models of Product Differentiation;Steven Berry;Rand Journal of Economics,1994