IEA Coal Industry Advisory Board. (1985). Coal quality and ash characteristics: A study. OECD ; OECD Publications and Information Center, distributor.
Chicago Style aipamenaIEA Coal Industry Advisory Board. Coal Quality and Ash Characteristics: A Study. Paris : Washington, D.C.: OECD ; OECD Publications and Information Center, distributor, 1985.
MLA aipamenaIEA Coal Industry Advisory Board. Coal Quality and Ash Characteristics: A Study. OECD ; OECD Publications and Information Center, distributor, 1985.
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