Παρόμοια τεκμήρια

• Farmers in a changing world /
  Έκδοση: (1940)
• Soils & men /
  Έκδοση: (1938)
• Short and long-term analysis of the impacts of several soil loss control measures on agriculture /
  ανά: English, Burton C.
  Έκδοση: (1980)
• Programmed interrelationships between soil loss and exports /
  ανά: Short, Cameron
  Έκδοση: (1983)
• 25 years of the research institute for soil science and soil science and agricultural chemistry of the Hungarian academy of sciences /
  Έκδοση: (1974)