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|a Монгол Улсын Үндэсний номын сан
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|a eng
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|a Department of Economic and Social Affairs
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1 |
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|a New Sources of Energy and Energy Development
|b Report on the UN Conference on new sources of energy. Solar Energy-Wind power-Geothermal energy. Rome, 21-31 August 1961
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|b United Nations
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|a English
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|a Техникийн шинжлэх ухаан
|a машин судлал. үйлдвэрлэл
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|a printbook
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