*001721921
*00520250613174506.0
*007ta
*008040603s2004    xxu           000 u eng d
*00900762cam a2200193 c 4500
*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990413356864702201
*035  $a(NO-LaBS)13860481(bibid)
*035  $a(NO-TrBIB)041335686
*035  $a041335686-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*1001 $aJones, Charles I.$0(NO-TrBIB)32678$_32738300
*24514$aThe shape of production functions and the direction of technical change$cCharles I. Jones
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2004
*300  $a36 s.$bfig.
*4901 $aWorking paper series / National Bureau of Economic Research$v10457
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v10457$w999105437124702201$_13074900
*901  $a80
*999  $aoai:nb.bibsys.no:990413356864702202$b2021-11-14T20:44:41Z$z990413356864702202
^