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*008100923s1983    xxu           100 u eng
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*1112 $aRailroad Classification Yard Workshop$0(NO-TrBIB)10065416$_61048700
*24510$aInnovation in classification yard technology :$bproceedings of the third Railroad Classification Yard Workshop
*260  $aWashington, D.C.$bTransportation Research Board, National Research Council, National Academy of Sciences in cooperation with the American Railway Engineering Association$c1983
*300  $aVII, 67 s.$bill.
*4901 $aTransportation research record$v927
*7102 $aAmerican Railway Engineering Association$0(NO-TrBIB)90374545$_61048800
*7102 $aNational Academy of Sciences$0(NO-TrBIB)90944820$_35975300
*830 0$aTransportation research record (trykt utg.)$x0361-1981$v927$w998711352484702201$_21195500
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