TY - BOOK AU - F.W.T. Penning de Vries, F. Agus and J. Kerr (ed) TI - Soil erosion at multiple scales: Principles and methods for assessing causes and impacts SN - 0851992900 AV - S 622.2 S655 1998 PY - 1998/// CY - New York PB - CABI KW - Soil erosion KW - Congresses KW - Simulation methods ER -