00405pab a2200145 454500008004000000100001700040245005800057260000900115300001500124362000800139650001100147700001600158700001800174773006700192180718b2014   xxu||||| |||| 00| 0 eng d  aKalil, Ariel  aTime investments in children across family structures  c2014  ap.150-168.  aJul  aFamily  aChor, Elise  aRyan, Rebecca  aAnnals of the American Academy of Political and Social Science