AGRICULTURAL-RESEARCH - THEORY AND PRACTICE - RUSSIAN

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作者：

OPP, C

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PETERMANNS GEOGRAPHISCHE MITTEILUNGEN | 1985年 / 129卷 / 04期

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P9 [自然地理学]; K9 [地理];

学科分类号：

0705 ; 070501 ;

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页码：300 / 301

页数：2

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