00388pab a2200133 454500008004000000100001900040245009100059260000900150300001500159362000800174650002000182700001900202773003300221180718b2013   xxu||||| |||| 00| 0 eng d  aChan, Tak Wing  aThe grandparents effect in social mobility: Evidence from British birth cohort studies  c2013  ap.662-678.  aAug  aSocial mobility  aBoliver, Vikki  aAmerican Sociological Review