000 00283nam a2200121Ia 4500
001 106222
008 170722s9999 xx 000 0 und d
100 _aFair, Marvin L.
245 _aEconomics of transportation /
260 _c1950.
700 _aWilliams, Ernest W.
942 _cGEN
999 _c43186
_d43186