TY - BOOK AU - Oblasov, N. V. AU - Goncharov, I. V. AU - Samoylenko, V. V. AU - Nosova, S. V. TI - Benzonaphthofuran ratio as a new thermal maturity parameter for coals and correlation tool KW - труды учёных ТПУ N2 - References: 3 tit ER -