000 00371nam a22001457a 4500
003 OSt
008 250506b |||||||| |||| 00| 0 eng d
020 _a8171640494
082 _a631.6
100 _aKumar, Ranvir
245 _aTextbook of Drainage Engineering
260 _aNew Delhi
_bIndian Council of Agricultural Research
_c2017
300 _a343p
942 _2ddc
_cBK
999 _c50496
_d50496