TY - BOOK AU - Sanders,David W. ED - World Association of Soil and Water Conservation. TI - Incentives in Soil Conservation : From Theory and Practice/ (Acc: 1769): from theory to practice SN - 1578080614 U1 - 631.4 SAN 21 PY - 1999/// CY - Enfield, N.H. PB - Science Publishers KW - from theory to practice ER -