International Symposium on the Applications of Cimputers and Mathematics in the Minerals Industry,12 12th Symposium on the Application of Computers and Mathematics in the Minerals Industry International Symposium on the Applications of Cimputers and Mathematics in the Minerals Industry,12th,Colorado,1974 International Symposium on the Application of Computers and Operations Research in the Mineral Indus International Symposium on the Application of Computers and Operations Research in the Mineral Industries(15th, Brisbane, 1977) Application of computer methods in the mineral industry International Symposium on Transport and Handling in the Pulp and Paper Industry International symposium on the Chinese export arts in Qing Dynasty