000 00337nam a2200133Ia 4500
008 220201s2017 xx 000 0 eng d
041 _aENG
100 _aCHANDER, SUBHASH
245 0 _aRAILWAYS, BRIDGES & TUNNELS
260 _aNEW DELHI
_bSATYA PRAKASHAN
_c2017
300 _a11-31,7-20,5-3
700 _aKHANNA, AMIT
942 _2ddc
_02
999 _c63401
_d63401