000 00313nam a2200133Ia 4500
008 220901s2014 xx 000 0 eng d
082 _a625.1 UPA
100 _aUpadhyay, A.K
245 0 _aRailways, bridge and tunnels
250 _a2
260 _bS.K. Kataria
_c2014
_aDelhi
300 _a272
942 _2ddc
_cREF
_01
999 _c892
_d892