http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
investigation of size-dependent concentration of trace elements in aerosols emitted from the oil-fired heating plants
National Aeronautics and Space Administration.
1 unnumbered page, 27 pages : illustrations ; 27 cm.
Jag J. Singh, R. J. Sentell, and G. S. Khandelwal ; Langley Research Center, Hampton, Va.
NASA technical memorandum ; NASA TM X-3401