International Journal of Coal Geology International Journal of Coal Geology, Vol.118 Entire volume, number list ISSN: 0166-5162 (Print) In this Issue (10 articles) 1 - 7 Molecular indicators of the Oligocene Bobov Dol coal organic matter composition from bitumen analysis and preparative off-line thermochemolysisStefanova M 8 - 14 Influence of coke particle size on pore structural determination by optical microscopyNyathi MS, Mastalerz M, Kruse R 15 - 32 Coal more than a resource: Critical data for understanding a variety of earth-science conceptsGreb SF 33 - 44 Estimation of methane content in coal mines using supplementary physical measurements and multivariable geostatisticsZawadzki J, Fabijanczyk P, Badura H 45 - 57 High-pressure CH4 and CO2 sorption isotherms as a function of coal maturity and the influence of moistureGensterblum Y, Merkel A, Busch A, Krooss BM 58 - 87 On the fundamental difference between coal rank and coal typeO'Keefe JMK, Bechtel A, Christanis K, Dai SF, DiMichele WA, Eble CF, Esterle JS, Mastalerz M, Raymond AL, Valentim BV, Wagner NJ, Ward CR, Hower JC 88 - 88 The 29th Annual International Pittsburgh Coal Conference Preface[Anonymous] 89 - 94 Comparison of high-pressure CO2 sorption isotherms on Central Appalachian and San Juan Basin coalsRomanov VN, Hur TB, Fazio JJ, Howard BH, Irdi GA 95 - 104 Potential for enhanced gas recovery and CO2 storage in the Marcellus Shale in the Eastern United StatesGodec M, Koperna G, Petrusak R, Oudinot A 105 - 112 Selection of monitoring techniques for a carbon storage and enhanced coalbed methane recovery pilot test in the Central Appalachian BasinGilliland ES, Ripepi N, Conrad M, Miller MJ, Karmis M