00456nam a2200133Ia 4500008004100000041000800041082001900049100001500068245006300083260004100146300000900187952010900196999001700305211209s1986    xx            000 0 und d  aeng  a629.04 GUP/GUP  aGUPTA, B L  aTEXT BOOK OF ROAD, RAILWAY, BRIDGE AND TUNNEL ENGINEERING   aNEW DELHIbSTANDARD BOOK HOUSEc1986  a1024  00104070aRITbRITd2021-12-31g2250.00l0o629.04 GUP/GUPp24981r2021-12-31 00:00:00w2021-12-31yBK  c24981d24981