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100   $a20030910d1953----km-y0itay50------ba
101 0 $aeng
105   $aa-------001yy
200 1 $a<<The >>Age Structure of the Corporate System$fby William Leonard Crum.
210   $aBerkeley$aLos Angeles$cUniversity of California Press$d1953
215   $axii, 181 p.$cill.$d24 cm
225 1 $aPublications of the Institute of Business and Economic Research$fUniversity of California
610 0 $aDemografia di impresa
610 0 $aGrandi imprese
676   $aG/3.341
700  1$aCrum,$bWilliam Leonard$0105243
801  0$aIT$bUNINA$gRICA$2UNIMARC
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996   $aAge Structure of the Corporate System$9434375
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