ANON MINING GRAPHITE IN SRI LANKA ;FROM SMMDC FILESBASTIN THE GRAPHITE OF CEYLON ECONOMIC GEOLOGY VOL 7 #5AUGUST 1912.JAYATILEKE KOJ NATURAL GRAPHITE WITH SPECIAL REFERENCE TOTHE GEOLOGY AND PROCESSING AT BAGALA MINES. SRI LANKATECHNICAL PAPER PRESENTED IN YUGOSLAVIA 1979.KENDALL HM ET AL INTRODUCTION TO PHYSICAL GEOGRAPHY SECONDEDITION 1974.SMMDC COMPANY PRODUCT BROCHURE NO DATE.IFS FINANCIAL TABLES