TY - BOOK AU - Chyi, L. Lynn, AU - Chou, C.-L., ED - Geological Society of America. TI - Recent advances in coal geochemistry T2 - Special paper / geological society of america SN - 0813722489 AV - TP325 R43 PY - 1990/// CY - Boulder, colorado PB - Geological society of america KW - Carbón KW - Análisis KW - Congresos N1 - Ponencia presentada en un symposium sponsored by the north-central section of the geological society of america as part of the 20th annual meeting, held apr. 24-25, 1986 at kent state university ER -