000 00327nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a624
100 _aPonnuswamy S
245 0 _aRailway Transportation Engineering Operation and Management
250 _a2
260 _bNarosa Publishing House, New Delhi
_c2016
942 _cBK
999 _c29880
_d29880