TY  - BK
AU  - Bebee,C.N.
TI  - The protection of ground and surface waters, January 1982 - August 1987
T2  - USDA Bibliographies and literature of agriculture
PY  - 1988///
CY  - Beltsville, MD (USA)
PB  - USDA. National Agricultural Library, 
KW  - Databases
KW  - Diseases
KW  - Environmental conditions
KW  - Groundwater
KW  - AGROVOC
KW  - Plant protection
KW  - Research
KW  - Surface water
ER  -