Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
622.33 Or68 31460
Organisation for European Economic Cooperation Drainage and use of methane from coalfields - fire-damp Paris OEEC 1956 177p. * Coal fields Methane Mining carbonaceous minerals