00682nam a22002054a 450000100060000003500200000600300090002600500170003500800410005204000350009304100080012804400080013610000240014424500320016826400600020030000160026044000350027650001500031165000150046113745  a(Koha2011)49400AR-ReUNN20260702133750.0240315s1961    xxu                 eng d  aAR-ReUNNbspacAR-ReUNNeaacr20 aeng  axxu1 aRuppenthal, Karl M.10aChallenge to transportation 1aStanford (California) : bStanford University, cc1961.  avii, 206 p. 0aStanford Transportation Series  aForm the 1960 sessions of the Transportation management program and the 15th annual convention of the National defense transportation association 4aTransporte