000 00335nam a2200121Ia 4500
008 211209s1986 xx 000 0 und d
041 _aeng
082 _a629.04 GUP/GUP
100 _aGUPTA, B L
245 _aTEXT BOOK OF ROAD, RAILWAY, BRIDGE AND TUNNEL ENGINEERING
260 _aNEW DELHI
_bSTANDARD BOOK HOUSE
_c1986
300 _a1024
999 _c20670
_d20670