http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a study to develop an improved mathematical approach
Office of Mobile Source Air Pollution Control,
1 online resource (126 unnumbered pages) : illustrations
prepared for: Environmental Protection Agency, Office of Air and Waste Management, Mobile Source Air Pollution Control ; prepared by: H. T. McAdams, Falcon Research and Development.