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Dieback affects forest structure in a dry Afromontane forest in northern Ethiopia. 智库出版物
2011
作者:  Aynekulu, E., M. Denich, D. Tsegaye, R. Aerts, B. Neuwirth and H.J. Boehmer.
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Long Waves in World Industrial Production, Energy Consumption, Innovations, Inventions, and Patents and their Identification by Spectral Analysis. 智库出版物
1982
作者:  Haustein H-D;  Neuwirth E
Adobe PDF(932Kb)  |  收藏  |  浏览/下载：0/0  |  提交时间：2019/06/18
Long waves in world industrial production, energy consumption, innovations, inventions, and patents and their identification by spectral analysis. 智库出版物
1982
作者:  Haustein H-D;  Neuwirth E
收藏  |  浏览/下载：2/0  |  提交时间：2019/06/18