共查询到20条相似文献,搜索用时 6 毫秒
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M Ryan 《BMJ (Clinical research ed.)》1985,290(6479):1414-1416
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M Ryan 《BMJ (Clinical research ed.)》1982,285(6346):957-958
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M Ryan 《BMJ (Clinical research ed.)》1986,293(6546):553-554
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M Ryan 《BMJ (Clinical research ed.)》1990,301(6756):867-868
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H. A. Gleason 《Brittonia》1987,39(2):205-209
Henry A. Gleason, one of America’s first ecologists, writes about the beginnings of the science in the United States and how his concepts developed in the setting of Clements’ and Cowles’ ideas of vegetation and succession and how he came up with his individualistic concept of the plant association. 相似文献
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Michael Ryan 《BMJ (Clinical research ed.)》1980,280(6219):1003-1004
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