000 00297nam a2200121Ia 4500
008 160710s1953 xx 000 0 und d
082 _a625.1 H 49 R
100 _aHAY, WILLIAM W.
245 _aREILWAY ENGINEERING
260 _aNEWYORK
_bJOHN WILEY & SONS
_c1953
300 _a481
942 _2ddc
_cB
999 _c15723
_d15723