Strategic R&D as an answer to the oil crisis. West and east German investment in coal refinement and the chemical industries, 1970–1990 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Strategic R&D as an answer to the oil crisis. West and east German investment in coal refinement and the chemical industries, 1970–1990

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