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- [7] QUICK ANALYSIS OF CA, TI, MN IN RAW-MATERIALS AND PRODUCTS OF METALLURGICAL INDUSTRY ZAVODSKAYA LABORATORIYA, 1975, 41 (10): : 1215 - 1216
- [8] NEW RAW-MATERIALS AND NEW PRODUCTS IN FERTILIZER INDUSTRY CHEMISTRY IN NEW ZEALAND, 1973, 37 (04): : 122 - 122
- [10] PRODUCTS OF COAL TREATMENT AS RAW MATERIALS FOR CHEMICAL SYNTHESIS INDUSTRY PRZEMYSL CHEMICZNY, 1969, 48 (8-9): : 482 - &