000 00246nam a2200097Ia 4500
008 230508s2011 xx 000 0 und d
041 _aeng
100 _aJ.S. MUNDRCY.
245 _aRAILWAY TRACK ENGINEERING.
260 _bTATA MC GRAW HILL ED
_c2011
999 _c315238
_d315238