TY  - JA
AU  - Dregne,H.E.
TI  - Informed opinion:  filling the soil erosion data gap
SN  - 0022-4561
U1  - 91-027696 
PY  - 1989///
KW  - Erosion
KW  - Erosion control
T2  - Journal of Soil and Water Conservation
ER  -