000 00309nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
082 _a625.1
100 _aSharma, OP, Gupta, DL & Supple, OP
245 0 _aT. B. Of Railways, Bridges & Tunnels
260 _bB.D. Kataria
_c1977
300 _a315
942 _2ddc
999 _c80630
_d80630