LORD, N. W. (1982). Coal oil mixture technology - Norman W. Lord, Robert P. Quallete, Oscar G. Farah. Ann Arbor Science Publisher.
Lua i Stíl Chicago (17ú heag.)LORD, Norman W. Coal Oil Mixture Technology - Norman W. Lord, Robert P. Quallete, Oscar G. Farah. Ann Arbor Science Publisher, 1982.
Lua MLA (8ú heag.)LORD, Norman W. Coal Oil Mixture Technology - Norman W. Lord, Robert P. Quallete, Oscar G. Farah. Ann Arbor Science Publisher, 1982.
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