ILRI, 2000, Subsurface drainage by (tube)wells: Well spacing equations for fully and partially penetrating wells in uniform or layered aquifers with or without anisotropy and entrance resistance, 9 pp. Principles used in the "WellDrain" model. International Institute for Land Reclamation and Improvement (ILRI), Wageningen, The Netherlands. On line: [1] . Free download "WellDrain" software from web page : [2], or from : [3]
ILRI, 2000, The energy balance of groundwater flow applied to sububsurface drainage by pipes or ditches in anisotropic soils with entrance resistance: drain spacing equations., 18 pp. Principles used in the "EnDrain" model. International Institute for Land Reclamation and Improvement (ILRI), Wageningen, The Netherlands. On line: [4]Archived 19 February 2009 at the Wayback Machine . Free download of "EnDrain" software from web page : [5], or from : [6]
ILRI, 2000, The energy balance of groundwater flow applied to sububsurface drainage by pipes or ditches in anisotropic soils with entrance resistance: drain spacing equations., 18 pp. Principles used in the "EnDrain" model. International Institute for Land Reclamation and Improvement (ILRI), Wageningen, The Netherlands. On line: [4]Archived 19 February 2009 at the Wayback Machine . Free download of "EnDrain" software from web page : [5], or from : [6]
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Roberts, T.O.L.; Roscoe, H.; Powrie, W.; Butcher, D.J.E. (2007). "Controlling clay pore pressures for cut-and-cover tunneling". Proceedings of the Institution of Civil Engineers – Geotechnical Engineering. 160 (4): 227–236. Bibcode:2007ICEGE.160..227R. doi:10.1680/geng.2007.160.4.227. ISSN1353-2618.