| Author |
Title |
Year |
Publication |
Volume  |
Pages |
| Lightfoot, D.R. |
Moroccan khettara: Traditional irrigation and progressive desiccation |
1996 |
Geoforum |
27 |
261-273 |
| Wolfe, P. |
The Simplex Method For Quadratic Programming |
1959 |
Econometrica |
27 |
170 |
| Klock, H.; Külls, C.; Udluft, P. |
Estimation of relative recharge values for the northern Kalahari catchment, Namibia |
2000 |
Journal of African Earth Sciences |
30 |
47-48 |
| Schwiede, M.; Duijnisveld, W.H.M.; Böttcher, J. |
Investigation of processes leading to nitrate enrichment in soils in the Kalahari Region, Botswana |
2005 |
Physics and Chemistry of the Earth, Parts A/B/C |
30 |
712-716 |
| Robati, A.; Barani, G.A. |
Modeling of water surface profile in subterranean channel by differential quadrature method (DQM) |
2009 |
Applied Mathematical Modelling |
33 |
1295-1305 |
