000 00250nam a22001217a 4500
003 SGT
082 _a631.3
_bGUP
100 _aGUPTA, S.K.
245 _aDRAINAGE ENGINEERING
260 _aINDIA
_bSCIENTIFIC
_c2019
300 _a531
942 _2ddc
_cBK
999 _c19442
_d19442