TY  - BOOK
AU  - Nichols, J. D.
AU  - Brown, P. L.
AU  - Grant, W. J.
TI  - Erosion and productivity of soils containing rock fragments
T2  - SSSA. Special publication
U1  - 631.455 
PY  - 1984///
CY  - Madison, Wis.
PB  - Soil Science Society of America
KW  - Erosión
KW  - Suelos
KW  - Fertilidad
ER  -