TY  - BOOK
AU  - Walker,Wynn R.
AU  - Skogerboe,Gaylord V.
TI  - Surface irrigation: theory and practice 
SN  - 0138779295
AV  - TC805 .W35 1987
U1  - 631.5/87�19 
PY  - 1987///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Irrigation engineering
ER  -