prepared for U.S. Department of Energy, Assistant Secretary for Conservation and Solar Applications, Office of Transportation Programs ; prepared by American Energy Research Company under contract no. AC01-79CS50009
prepared by The Argonne National Laboratory, The Oak Ridge National Laboratory, The Inhalation Toxicology Research Institute, Lovelace Biomedical and Environmental Research Institute, under contract no. DE-AC04-76EV01013 ; prepared for the U.S. Dept. of Energy, Office of Health and Environmental Research, Office of Energy Research