Lawlor, DA; Clark, H; Ronalds, G; Leon, DA; (2006) Season of birth and childhood intelligence: Findings from the Aberdeen Children of the 1950s cohort study. The British journal of educational psychology, 76. pp. 481-499. ISSN 0007-0998 DOI: https://doi.org/10.1348/000709905X49700 Full text not available from this repository.