TY  - BOOK
ED  - National Drainage Symposium (
TI  - Drainage design and management: : proceedings
T2  - ASAE publication
U1  - 631.6 
PY  - 1987///
CY  - St. Joseph, Michiagan
PB  - American Society of Agricultural Engineers
KW  - Drenaje
KW  - Congresos
N1  - D50-99
ER  -