TY - BOOK AU - Schwab,Glenn AU - Fangmeier,Delmar D.. AU - Elliot,William J.. TI - Soil and water management systems / SN - 0471109738 U1 - 631.45 PY - 1996/// CY - New York : PB - John Wiley , KW - SOIL CONSERVATION KW - WATER CONSERVATION N1 - NULL ER -