*0011548834
*008900301s1989    xx#           000 0 nob
*019  $bk
*08230$a330.092
*100  $aQvigstad, Jan Fredrik$_147807900
*245  $a"Er det så opplagt at-"$cav Jan Fredrik Qvigstad
*300  $aS. 25-27 : port.
*520  $aOm Trygve Haavelmo
*600  $aHaavelmo, Trygve$_124019500
*773  $tSosialøkonomen$gÅrg. 43, nr 11 (1989)$x0038-1624$w(NO-LaBS)498238(tnr)
*999  $z9000116616$anorart:9000116616
^