000 00326nam a2200121Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aLocklin, P
245 0 _aEconomics of transportation.
260 _bRICHARD D IRWIN, INC
_aCHICAGO
_c1951
653 _aECONOMICS
942 _c1
999 _c35236
_d35236