TY - BOOK ED - Organisation for European Economic Co-operation TI - Drainage and use of methane from coal fields (fire-damp): Mission No. 163 AV - TN305 .O74 1956 PY - 1956///] CY - Paris PB - European Productivity Agency of the Organisation for European Economic Cooperation KW - Methane KW - Firedamp N1 - BIB ER -