TY  - BOOK
AU  - Stuyt, L C P
AU  - Dierickx, W
AU  - Beltran, Martinez J
TI  - Materials for Subsurface land drainage Systems
SN  - 9251054274
U1  - 627.54028 
PY  - 2005///
CY  - Rome
PB  - FAO Publications
ER  -