Over- and under-achievement in reading: distribution in the general population.

@article{Yule1974OverAU,
  title={Over- and under-achievement in reading: distribution in the general population.},
  author={William Yule and Michael D. Rutter and Mathias Berger and John Thompson},
  journal={The British journal of educational psychology},
  year={1974},
  volume={44 1},
  pages={1-12}
}