Fly ash and coal conversion by-products : characterization, utilization and disposal IV : symposium held December 1-3, 1987, Boston, Massachusetts, U.S.A.. pp.173-178, 1988. Pittsburgh, Pa.. Materials Research Society
Fly ash and coal conversion by-products : characterization, utilization and disposal V : symposium held December 1-3, 1988, Boston, Massachusetts, U.S.A.. pp.141-160, 1989. Pittsburgh, Pa.. Materials Research Society