PT  - JOURNAL ARTICLE
AU  - A. M. Duda
AU  - R. J. Johnson
TI  - Cost-effective targeting of agricultural nonpoint-source pollution controls
DP  - 1985 Jan 01
TA  - Journal of Soil and Water Conservation
PG  - 108--111
VI  - 40
IP  - 1
4099  - http://www.jswconline.org/content/40/1/108.short
4100  - http://www.jswconline.org/content/40/1/108.full