ON PROBLEMS PERTAINING TO THE DEVELOPMENT OF NEW TECHNIQUES IN THE BENEFICIATION OF USEFUL MINERALS by A.M. Okolovich -- THE PROBLEM PERTAINING TO THE INTERACTION OF THE CASTING MOULD AND THE CASTING by A.M. Okolovich.
Electronic reproduction. Chester, Vt. : NewsBank, inc., 2013. Available via the World Wide Web. Access restricted to Readex Joint Publications Research Service (JPRS) Reports subscribers.
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