MILD OXIDATION OF TWO LOW-RANK MATURE COALS BY ALKALINE MITROBENZENE = OXYDATION DOUCE DE DEUX CHARBONS A BAS DEGRE DE HOUILLIFICATION PAR LE NITROBENZENE ALCALINBUGUR K; GAINES AF; GULEC A et al.1973; FUEL; G.B.; DA. 1973; VOL. 52; NO 2; PP. 115-117; BIBL. 3 REF.Serial Issue

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ENTSTEHUNG VON ERDGAS AUS KOHLIGEN SEDIMENTEN = FORMATION DE METHANE A PARTIR DE SEDIMENTS CHARBONNEUXJUNTGEN H; KLEIN J.1975; ERDOEL KOHLE ERDGAS PETROCHEM.; DTSCH.; DA. 1975; VOL. 28; NO 2; PP. 65-73; ABS. ANGL.; BIBL. 21 REF.Article

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CHROMATOGRAPHISCHE UNTERSUCHUNG DES ISOTHERMEN PYROLYSEPROZESSES = ETUDE CHROMATOGRAPHIQUE DU PROCESSUS DE PYROLYSE ISOTHERMEKUBAT J; MACAK J; MIZERA J et al.1974; FREIBERGER FORSCH.-H., A; DTSCH.; DA. 1974; NO 540; PP. 57-72; ABS. ANGL. RUSSE; BIBL. 4 REF.Article

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COMPARAISON DE L'EVOLUTION GEOLOGIQUE ET DE L'EVOLUTION PAR PYROLYSE DES PROPRIETES OPTIQUES DE ROCHES A KEROGENE ET DE CHARBONS.SOMERS Y; LEPLAT P; NOEL R et al.1975; IN: PETROGR. MATIERE ORG. SEDIMENTS, RELAT. PALEOTEMP. POTENTIEL PET. COLLOQ. INT.; PARIS; 1973; PARIS; C.N.R.S.; DA. 1975; PP. 243-252; ABS. ANGL.; BIBL. 8 REF.; 6 ILL.Conference Paper

NOWY WSKAZNIK OCENY STOPNIA METAMORFIZMU WEGLI KAMIENNYCH = A NEW INDEX FOR ASSESSING THE DEGREE OF METAMORPHISM OF COALS = NOUVEL INDICE D'EVALUATION DU DEGRE DE METAMORPHISME DES CHARBONSCHRUSCIEL Z.1981; PRZ. GOR.; ISSN 0033-216X; POL; DA. 1981; VOL. 37; NO 12; PP. 592-596; ABS. RUS/ENG/FRE/GER; BIBL. 17 REF.Article

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Petrological characteristics of the upper stephanian coals in North Portugal, Douro coalfield and their redevance to coalification studies = Caractères pétrologiques des charbons du Stéphanien supérieur du Nord Portugal, bassin du Douro et leur intérêt dans les études de houillificationSOUSA, M. J. L.Memorias dos Servicos Geologicos de Portugal. 1983, Num 29, pp 195-205, issn 0370-0623Article

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