//-->
Landwirtschaft und Wasserwirtschaft in Konkurrenz um die Bodennutzung
Wagner, Peter, (1993)
Eine differenzierende Konversionsstrategie zur gewässerschonenden Landwirtschaft
Kluge, Thomas, (1994)
Integrating economic and physical models for analyzing water quality impacts of agricultural policies in the high plains
Wu, JunJie, (1996)
PESTICIDE TAX, CROPPING PATTERNS, AND WATER QUALITY IN SOUTH CENTRAL TEXAS
Shumway, C. Richard, (1994)
Pesticide tax, cropping patterns, and water quality in South Central Texas
Production economics : worthwhile investment?
Shumway, C. Richard, (1991)