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
338.272 W927 96803 96804
World Coal Study Report of the World Coal Study (WOCOL) an international project, directed by C.L.Wilson Cambridge Ballinger Publishers 1980 2v. v.1 : Coal-bridge to the future * Coal Production economics