000 00270nam a2200121Ia 4500
999 _c33759
_d33759
100 _aArora S P
245 _aTextbook of Railway Engineering
250 _a7
260 _c2008
_bDHANPAT RAI
_aNew Delhi
300 _axii+33.12+B.3
700 _aSaxena S C.
942 _cBB