TY  - JA
AU  - Lee,L.K.
AU  - Nielsen,E.G
TI  - The extent and costs of groundwater contamination by agriculture
SN  - 0022-4561
U1  - 88-038664 
PY  - 1987///
KW  - Costs
KW  - Fertilizers
KW  - AGROVOC
KW  - Groundwater
KW  - Pesticides
KW  - Pollution
KW  - USA
KW  - Water pollution
KW  - Water quality
N1  - ill., maps. references
T2  - Journal of Soil and Water Conservation
ER  -