000 00446nam a2200133Ia 45e0
008 180110s1987 xx 000 0 und d
020 _a8185068143
082 _a631.62
100 _aFramji,K.K. et al. ed
245 0 _aDesign Practices for Covered drains in an Agricultural Land Drainage System
260 _aNew Delhi
_bInternational Commission on Irrigation a
_c1987
300 _axliv,438p;
942 _2ddc
_cBK
999 _c2500
_d2500