*0011517209 *008870922s1986 xx# 000 0 eng *019 $bk *08230$a301 *100 $aMortensen, Nils$_164314700 *245 $aKnowledge problems in the sociology of the 80s$cNils Mortensen *300 $aS. 325-336 *773 $tActa sociologica$gVol. 29, no. 4 (1986)$x0001-6993$w(NO-LaBS)927137(tnr) *8564 $uhttps://doi.org/10.1177/000169938602900404 *999 $z8700084450$anorart:8700084450 ^