Fog, Mogens H. Energy efficiency and fuel substitution in the cement industry with emphasis on developing countries By Mogens H. Fog and Kishore L. Nadkarni - Washington, D.C. IBRD 1983 - 72p. - A World Bank Technical Paper . Bibl.p.71-72 Subjects--Topical Terms: FuelCement industries --Energy conservation Dewey Class. No.: Y26 In8ener