000 00249nam a2200109 4500
082 _aSIN
100 _aSingh, A.P.
245 _aRailway Bridges and Tunnels Engineering
260 _aIndia:
_bSatya Parakashan,
_c1996.
300 _a330p. ;
942 _cBK
999 _c8626
_d8626