TY  - BOOK
AU  - Vries  E.W.T. Penning de
AU  - Agus  f.
AU  - Kerr  J.
TI  - Soil Erosion  At  Multiple  Scales: Principles  and  Methods  For  Assessing  Causes and Impacts
SN  - 0851992900
PY  - 1998///
CY  - Wallingford, Oxon UK
PB  - CAB International
ER  -