@article{Robertsen2011,
author = {Robertsen, E.},
title= {The effects of quarter of birth on academic outcomes at the elementary school level},
year = {2011},
doi = {10.1016/j.econedurev.2010.10.005},
journal = {Economics of Education Review},
volume = {30},
number = {2},
pages = {300--311},
}