http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
lean limits, flame temperatures, ignition energies, and particle size effects
by Martin Hertzberg, Kenneth L. Cashdollar, and John J. Opferman.
Report of investigations (United States. Bureau of Mines) ; 8360
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