000 00292nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a627.2
100 _aKetki B Dalal
245 0 _aRailway Bridge and Tunnel Engineering
250 _a2
260 _bCharotar,New Delhi
_c2016
942 _cBK
999 _c35655
_d35655