000 00262nam a2200109Ia 4500
008 160710s1947 xx 000 0 und d
100 _aLOCK LIN ,D.P
245 _aECONOMICS OF TRANSPORTATIONS
260 _bRICHARD D.IRWIN
_c1947
300 _a885
942 _2ddc
_cB
999 _c8309
_d8309