SOIL-EROSION ESTIMATES AND COSTS

[1] Barrow C.J., 1991, LAND DEGRADATION

[2] Bennett H. H., 1939, SOIL CONSERVATION

[3] BROWN L, 1984, STATE WORLD 1984

[4] Crosson P., 1995, Population and food in the early twenty-first century: meeting future food demands of an increasing population., P143

[5] Crosson P. R., 1986, Agriculture and the environment., P35

[6] Dregne H.E., 1992, DEGRAD RESTOR ARID L, V1, P73

[7] DREGNE HE, 1988, CHALLENGES DRYLAND A, P610

[8] El-Swaify S.A., 1982, SOIL EROSION WATER T

[9] Myers N., 1993, GAIA ATLAS PLANET MA

[10] NELSON R, 1988, 8 ENV DEP WORK PAP

[1] Barrow C.J., 1991, LAND DEGRADATION

[2] Bennett H. H., 1939, SOIL CONSERVATION

[3] BROWN L, 1984, STATE WORLD 1984

[4] Crosson P., 1995, Population and food in the early twenty-first century: meeting future food demands of an increasing population., P143

[5] Crosson P. R., 1986, Agriculture and the environment., P35

[6] Dregne H.E., 1992, DEGRAD RESTOR ARID L, V1, P73

[7] DREGNE HE, 1988, CHALLENGES DRYLAND A, P610

[8] El-Swaify S.A., 1982, SOIL EROSION WATER T

[9] Myers N., 1993, GAIA ATLAS PLANET MA

[10] NELSON R, 1988, 8 ENV DEP WORK PAP