000 00296nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
100 _aSHARMA
245 0 _aTEXT BOOK OF RAILWAY BRIDGES AND TUNNELS
260 _aDELHI
_bKATSON PUB HOUSE
_c1977
300 _a360
700 _aGUPTA
942 _2ddc
999 _c89573
_d89573