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100   $a20090505d1956----km-y0itay50------ba
101 0 $aeng
102   $aUS
105   $aa-------001yy
200 1 $aStudies in the economics of transportation$fby Martin Beckmann, G. B. McGuire, Christopher B. Winsten$gwith an introduction by Tjalling C. Koopmans
210   $aNew Haven$cYale University Press$d1956
215   $aXIX, 232 p., 1 c. di tav.$cill.$d24 cm
500 10$aStudies in the economics of transportation$944295
610 1 $aTrasporti$aAspetti economici
676   $a657.86$v18
700  1$aBeckmann,$bMartin$0104304
701  1$aMcGuire,$bC. B.$0570234
701  1$aWinsten,$bChristopher B.$0128331
702  1$aKoopmans,$bTjalling C.
801  0$aIT$bUNIPARTHENOPE$c20090505$gRICA$2UNIMARC
912   $a000025552
951   $aDEP V-0103$b6057$cNAVA4$d2009
996   $aStudies in the economics of transportation$944295
997   $aUNIPARTHENOPE