00330nam a2200121Ia 450000500170000008000110001710000210002824501050004926000090015458300220016394200060018599900170019120260716044013.0  aSerial  aHolmlund, Helena  aThe Causal effect of parents' schooling on children's schooling : a comparison of estimation methods  c2011  c10/31/11kSANDRAW  cA  c58524d58524