検索結果 1 - 3 結果 / 3 検索語 'BERGSMA', 処理時間: 0.01秒 結果の絞り込み
  1. 1
    The character of rainfall erosion surveys in view conservation planning

    The character of rainfall erosion surveys in view conservation planning 著者: BERGSMA

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  2. 2
    Aerial photo-interpretation for soil erosion and conservation survey part II: erosion factors

    Aerial photo-interpretation for soil erosion and conservation survey part II: erosion factors 著者: BERGSMA, E.

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  3. 3
    Aerial photo-interpretation for soil erosion and conservation survey part I: soil erosion features

    Aerial photo-interpretation for soil erosion and conservation survey part I: soil erosion features 著者: BERGSMA, E.

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