000 00309nam a2200121Ia 4500
008 220201s2007 xx 000 0 eng d
100 _aGUPTA B L
245 0 _aROADS RAILWAYS BRIDGES TUNNELS ENGINEERING
260 _aDELHI
_bSTANDARD BOOK HOUSE
_c2007
300 _a214
700 _aGUPTA AMIT
942 _2ddc
999 _c93268
_d93268