検索結果 1 - 2 結果 / 2 検索語 'BERGSMA, E.', 処理時間: 0.01秒 結果の絞り込み
  1. 1
    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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  2. 2
    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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