000 00251nam a2200121Ia 4500
100 _aAGARWAL, M.M.
110 _aCHANDRA, SATISH
245 _aRAILWAY ENGINEERING
250 _aII
260 _bPRABHA & CO.
_c1997
300 _a611
942 _2ddc
_cBB
999 _c74414
_d74414