TY  - BOOK
AU  - Boonstra.J
AU  - Ridder.N.A
TI  - Numerical Modelling of Groundwater Basins
SN  - 90-70260-69-7
PY  - 1981///
CY  - Netherlands
PB  - ILRI Publication
KW  - IDE
UR  - IDE ( 05 )
ER  -