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2. Effect of depth of impervious layer and adsorption on solute transport in tile-drained irrigated lands;Kamra;J. Hydrol.,1994
3. Agricultural Drainage,1999
4. Subsurface Drainage Practices: Guidelines for the Implementation, Operation and Maintenance of Subsurface Pipe Drainage Systems. No. 60;Nijland,2005
5. Drainage design coefficients for eastern United States;Skaggs;Agric. Water Manag.,2006