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*1001 $aBiørn, Erik$d1944-$0(NO-TrBIB)90095035$_10553600
*24510$aIdentifying age-cohort-time effects, their curvature and interactions from polynomials :$bexamples related to sickness absence$cErik Biørn
*260  $aOslo$bUniversity of Oslo, Department of Economics$c2013
*300  $a17 s.
*4901 $aMemorandum / Department of Economics, University of Oslo$vno. 08/2013
*533  $aElektronisk reproduksjon$b[Norge]$cNasjonalbiblioteket Digital$d2018-04-26
*830 0$aMemorandum (Universitetet i Oslo. Økonomisk institutt : trykt utg.)$x0809-8786$vno. 08/2013$w990410975304702201$_13293200
*85641$3Fulltekst$uhttps://urn.nb.no/URN:NBN:no-nb_digibok_2018042609504$yNettbiblioteket$zDigital representasjon
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