TY  - BOOK
AU  - Lanen, Henny A.J. van, Dr. Ir.
TI  - Monitoring for groundwater management in (semi-)arid regions / Dr. Ir. Henny A.J. van Lanen
SN  - 9231035797
PY  - 1998///
CY  - Paris : UNESCO
KW  - Groundwater
ER  -