共 50 条
- [1] COST-REDUCING INNOVATIONS IN THE MINING AND METAL PROCESSING INDUSTRIES TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY SECTION A-MINING INDUSTRY, 1986, 95 : A101 - A103
- [6] TECHNICAL INNOVATIONS IN COPPER BASED INDUSTRIES. Journal of the Institution of Engineers (India), Part MM: Mining and Metallurgy Division, 1983, 64 : 10 - 15