共查询到20条相似文献，搜索用时 15 毫秒
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Domin Svorad 《Die Naturwissenschaften》1958,45(5):115-115
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Norbert Lichtenecker 《Die Naturwissenschaften》1925,13(35):739-743
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Helmut Hölder 《Die Naturwissenschaften》1975,62(12):545-554
The term “Jurassic” refers to a manifold rock series of an epoch in the earth's history and its organic enclosures, from which-despite the lack of detail -a picture of earth surface and its life at that time can be reconstructed. This article presents the position of research and the problems it faces, which are partly of an objective and partly of a methodical nature. 相似文献
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A. Landé 《Die Naturwissenschaften》1923,11(34):725-726
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Günter Vogel 《Die Naturwissenschaften》1954,41(20):482-483