Soil erosion
Morgan, P. P. C.
Soil erosion - London: Longman, 1979 - 113 p. : ilus. gráfs - Tropics in applied geography . - Tropics in applied geography .
40412
Erosión.
Suelos--Conservación.
631.455 / M6
Soil erosion - London: Longman, 1979 - 113 p. : ilus. gráfs - Tropics in applied geography . - Tropics in applied geography .
40412
Erosión.
Suelos--Conservación.
631.455 / M6
