000 00270nam a2200109Ia 4500
008 220201s1973 xx 000 0 eng d
100 _aSubhash C. Saxena
245 2 _aA course in railway engneering
260 _bDhanpat Rai & sons
_c1973
300 _a525
942 _2ddc
999 _c78850
_d78850