TY - REP AU - Zeijts,T.E.J.van TI - Quality control of subsurface drainage works in the Netherlands SN - 09-161-50887 U1 - 89-110971 PY - 1987/// KW - Consumer protection KW - Drainage KW - Engineering KW - Environment KW - Europe KW - Hydraulic engineering KW - Protection KW - Site factors KW - Soil management KW - Western Europe N1 - ill. referDEes T2 - Drainage design and management : proceedings of the Fifth National Drainage Symposium, December 14-15, 1987, Hyatt RegDEy Chicago in Illinois Center. St. Joseph, Mich. (USA). American Society of Agricultural Engineers. 1987. p. 302-309 ER -