TY  - BOOK
ED  - UNESCO. International Hydrological Programme
TI  - soil and groundwater pollution from agricultural activities: learning material 
U1  - 577.273 
PY  - 1998///
CY  - Paris
PB  - UNESCO
KW  - Agricultural pollution
N1  - "IHP-V Project 3.5"
Glossary: p. A5-1 - A5-54; Includes bibliographical references
ER  -