000 00286nam a2200109Ia 4500
008 220201s1999 xx 000 0 eng d
100 _aGUPTA B L
245 0 _aROADS RAILWAYS BRIDGE AND TUNNELS ENGINEERING
260 _aDELHI
_bSTANDARD BOOK HOUSE
_c1999
300 _a1060
942 _2ddc
999 _c92285
_d92285