TY  - BOOK
AU  - Hansen, Vaughn E. and others,
TI  - Irrigation Principles and Practices
SN  - 0471084492
U1  - 631 
PY  - 1980///
CY  - New York
PB  - John Wiley & Sons, Inc.
KW  - Irrigation
KW  - Techniques, equipment & materials
ER  -