00563nam a2200193 a 450000100080000000500110000800800410001910000180006024500840007826000840016230000090024649000310025565000110028665000120029765000150030965000100032470000170033470000180035110393472014-02-22       1978    bl uuuu     u00u1 u    #d1 aBINKLEY, J.K.  aThe effects of inland navigationbuser charges on barge transportation of wheat  aBlacksburg, Virginia: Virginia Polytechnic Institute and State Universityc1978  a99p.  aResearch Division Bulletin  aCOSTOS  aMODELOS  aTRANSPORTE  aTRIGO1 aHAVLICEK, J.1 aSHABMAN, L.A.