THE MINERALS OF BULGARIA by Ivan Kostov -- PRODUCTION OF SEMICELLULOSE FROM STRAW IN THE PAPER PLANT OF KOSTENETS. Bulgaria by Georgi Milchev -- USE OF CHEMICALS IN AGRICULTURE. Bulgaria by Prof Engineer D. G. Ivanov -- THE NEED TO INCREASE LABOR PRODUCTIVITY -- SEVENTIETH ANNIVERSARY OF THE BOBOVDOL COAL MINES -- INDICATORS OF BULGARIA'S ECONOMIC GROWTH -- AN INCREASE OF LABOR PRODUCTIVITY IN THE COAL PRODUCTION OF BULGARIA -- NEW COAL MINE IN SOUTH BULGARIA -- DEVELOPMENT OF THE MINING AND METALLURGICAL INDUSTRY IN BULGARIA -- DEVELOPMENT OF ELECTRIC TRANSMISSION LINES OF MEDIUM TENSION IN BULGARIA -- REPLACEMENT OF COKE WITH ANTHRACITE BRIQUETTES IN BULGARIAN FOUNDRIES -- INFORMATION ON BULGARIA'S NATIONAL ECONOMY -- FUTURE ECONOMIC DEVELOPMENT OF BULGARIA -- BULGARIA'S GROSS NATIONAL PRODUCT -- PLANS FOR DEVELOPMENT OF BULGARIA'S METALLURGY IN 1962 -- REPORT ON THE ACTIVITIES OF THE CENTRAL COMMITTEE OF TRADE UNIONS. Czechoslovakia by L. Rajsky -- ALUMINUM PRODUCTION. Poland by Mgr inz Alicja Sosnowska.
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