00243nam a2200109Ia 4500008004100000041000800041082002200049100001100071245003400082260000900116300000800125211209s1977    xx            000 0 und d  aeng  a625.1 N77 SHA/GUP  aSHARMA  aRAILWAYS, BRIDGE AND TUNNELS   c1977  a214