| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Guidelines for Designing and Evaluating Surface Irrigation Systems | 978-92-5-1O2879-7 (92-5-1O2879-6) | 1989 |
Cate Whittlessa Roger Walker · G.W.R. Walker · R. Walker · W R · W Richard Walker · W.W. · W. Walker · William Rick Walker · Wynn R. Walker