000 00349nam a2200157Ia 4500
005 20220103105311.0
008 220103b |||||||| |||| 00| 0 eng d
020 _a9788180140112
082 _a625.10092 GUP
100 _aGUPTA BL
245 _aRAILWAY ENGINEERING
250 _a3
260 _bSPD
_c2010
650 _aCIVIL
_96744
942 _cBK
999 _c10758
_d10758