1. Evans, M. D., Kelley, J., Sikora, J., & Treiman, D. J. (2010). Family scholarly culture and educational success: Books and schooling in 27 nations. Research in social stratification and mobility, 28(2), 171-197.
2. Schilhab, T., Balling, G., & Kuzmicova, A. (2018). Decreasing materiality from print to screen reading.
3. Barsalou, L. W., Simmons, W. K., Barbey, A. K., & Wilson, C. D. (2003). Grounding conceptual knowledge in modality-specific systems. Trends in cognitive sciences, 7(2), 84-91.
4. The Economist, Why books come out in hardback before paperback
5. The Guardian, How eBooks lost their shine: 'Kindles now look clunky and unhip'