1. Health Effects Institute. Diesel Exhaust: A Critical Analysis of Emissions, Exposure, and Health Effects. A Special Report of the Institute’s Diesel Working Group. 1995.
2. Naegeli, D.W.; Moulton, S.; Owens, E.C.; Frame, E.A. U.S. Army TARDEC Fuels and Lubricants Research Facility, Southwest Research Institute, Draft Report, February 2001.