00583nam a2200121Ia 4500008004100000040001700041082002400058100002900082245024300111260002700354300001300381650006700394190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta662.62bS532C  aSharpley, Forbes W (Ed.) 0aChemical engineering in the coal industryban international conference organized by the National Coal Board, Great Britain and held at its Coal Research Establishment at stoke orchard cheltenham, England in June, 1956 BcForbes W Sharpley  aLondonbPergamonc1957  av, 141p.  aChemical engineering; Coal mines and mining; Energy industries