Showing 1 - 3 results of 3 for search 'BERGSMA', זמן שאילתה: 0.01s Refine Results
  1. 1

    The character of rainfall erosion surveys in view conservation planning מאת BERGSMA

    ספר
  2. 2

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

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  3. 3

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

    ספר