European Commission. Directorate-General XII, Science, Research, and Development
主题
Research -- European Union countries -- Periodicals Technology -- Research -- European Union countries -- Periodicals
出版信息
[Brussels] : European Commission, Science, Research, Development, 1993-
持續資源
Commission of the European Communities. Directorate-General Telecommunications, Information Market, and Exploitation of Research
主题
Engineering -- Abstracts -- Periodicals Science -- Abstracts -- Periodicals Technology -- Abstracts -- Periodicals
出版信息
Luxembourg : Office for Official Publications of the European Communities, [1989]-2007
持續資源
European Commission. Directorate-General Transport
主题
Air traffic control -- European Union countries -- Evaluation
出版信息
Luxembourg : Office for Official Publications of the European Communities, 1997
圖書
ISBN
9789282799758
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