Environmental and genetic influences on prereading skills in Australia, Scandinavia, and the United States
Journal of Educational Psychology (2005) - Comment
doi: 10.1037/0022-0663.97.4.705  issn: 1939-2176  issn: 0022-0663 

Stefan Samuelsson, Brian Byrne, Peter Quain, Sally Wadsworth, Robin Corley, John C. DeFries, Eric Willcutt, Richard Olson