Pitmentel, David
World soil erosion and conservation - Cambridge 1993 - 349 - Cambridge studies in applied ecology and resources management .
0-521-41967-0
Soil erosion/ soil conservation
333.910416 PIM
100
World soil erosion and conservation - Cambridge 1993 - 349 - Cambridge studies in applied ecology and resources management .
0-521-41967-0
Soil erosion/ soil conservation
333.910416 PIM
100