Schumacher, M. (1981). Coal-oil mixture combustion technology. Noyes Data.
Lua i Stíl Chicago (17ú heag.)Schumacher, M.M. Coal-oil Mixture Combustion Technology. Park Ridge, N.J: Noyes Data, 1981.
Lua MLA (9ú heag.)Schumacher, M.M. Coal-oil Mixture Combustion Technology. Noyes Data, 1981.
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