*0011582031 *008910612s1990 xx# 000 0 eng *019 $bk *08230$a301.072 *100 $aAllardt, Erik$_132691700 *245 $aChallenges for comparative social research$cErik Allardt *300 $aS. 183-193 *773 $tActa sociologica$gVol. 33, no. 3 (1990)$x0001-6993$w(NO-LaBS)927137(tnr) *8564 $uhttps://doi.org/10.1177/000169939003300302 *999 $z9100129880$anorart:9100129880 ^