TY  - GEN
AU  - Ochs   Walter J.
AU  - Bishay,  Bishay G.
TI  - Drainage guidelines
SN  - 0821323121
U1  - 631.62 
PY  - 1992///
CY  - Washington
PB  - The World Bank
KW  - Agriculture
KW  -  Drainage
ER  -