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Processes and problems of industrialization in under-developed countries
- United Nations. Department of economic and social affairs,
- 1955.
- New York :
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Survey of world iron ore resources : occurrence, appraisal and use : report / of a committee of experts appointed by the secretary-general ; [contrib. by Frederick G. Percival...et al.].
- United Nations. Department of economic and social affairs,
- 1955.
- New York :