00592nam a2200193Ia 4500003000500000008004100005020001800046040001900064082000700083100001900090245008200109260002800191300001000219365001200229546001200241942001600253999001700269952011200286STCL221019s9999 xx 000 0 und d a9781138923225 aSTCLcSTCLbEN 222 aMarks, Gary N. 0aEducation, social background and cognitive ability, the decline of the social bRoutledgeaLondonc2015 a292 p b3383.53 aEnglish cBK2DDCe22 c88126d88126 00102DDC4070aSTCALbSTCALcGENd0000-00-00l0o306.43 MAR-Ep96893r2022-10-19 00:00:00w2022-10-19yBK