TY - GEN AU - Mathew,P.J. ED - Commonwealtth Scientific and Industrial Research Organization. TI - The natural radioactivity of brown coal in the Latrobe Valley and its application and grade control in coal mining T2 - Investigation report SN - 0643023194 PY - 1979/// CY - Port Melbourne, Vic. PB - CSIRO, Division of Mineral Physics KW - Lignite KW - Radioactivity ER -