TY  - BOOK
AU  - Ritzema.H.P.
ED  -  International Institute for Land Reclamation and Improvement
TI  - Drainage Principles and Applications
T2  - ILRI Publication
SN  - 90-70754-3-39
PY  - 1994///
CY  -  International Institute for Land Reclamation and Improvement
PB  - Netherlands
KW  - Engineering
ER  -