Wynn R. Walker 
Surface Irrigation : Theory and practice 
 - Englewood Cliffs  Prentice Hall, Inc  1987 
 - 386p 
Wynn R. Walker & Gaylord V. Skogerboe: Surface Irrigation : Theory and practice.  Englewood Cliffs.  Prentice Hall, Inc, 1987. 0-13-877929-5--(631.7WAL)   
ENGLISH 
0-13-877929-5 
631.7  / WAL