*0011514538 *008861216s1986 xx# 000 0 nno *019 $bk *08230$a372.125 *100 $aSkram, Dag$_142445300 *245 $aKvifor aldersblanda barnegrupper?$cDag Skram *300 $aS. 49-72 *773 $tBarn$gÅrg. 4, nr 3 (1986)$x0800-1669$w(NO-LaBS)669499(tnr) *999 $z8600082826$anorart:8600082826 ^