00411nam a2200157Ia 4500003000500000008004100005020001800046040001900064082000700083100001900090245008200109260002800191300001000219365001200229546001200241STCL221019s9999    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