000 00300nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
041 _aENG
100 _aAGGARWAL,M.M
245 0 _aRAILWAY ENGINEERING
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1997
300 _a611
942 _2ddc
999 _c61665
_d61665