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*1001 $aGold, Bela$0(NO-TrBIB)90253004$_39020700
*24510$aFoundations of productivity analysis :$bguides to economic theory and managerial control$cby Bela Gold
*260  $a[Pittsburgh]$bUniversity of Pittsburgh Press$c1955
*300  $aXI, 303 s.
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*999  $aoai:nb.bibsys.no:997560161004702202$b2021-11-14T19:54:24Z$z997560161004702202
^