1. Abbeduto, L., Murphy, M.: Language, social cognition, maladaptive behavior, and communication in Down syndrome and fragile X syndrome. In: Rice, M.L., Warren, S.F. (eds.) Developmental Language Disorders: From Phenotypes to Etiologies. Erlbaum, Mahwah, NJ (2004)
2. Anson, D., Moist, P., Przywara, M., Wells, H., Saylor, H., Maxime, H.: The effects of word completion and word prediction on typing rates using on-screen keyboards. Assist. Technol. 18(2), 146–154 (2006)
3. Buckley, S.J.: Living with Down Syndrome. Down Syndrome Issues and Information. The Down Syndrome Educational Trust, Portmouth, UK (2001)
4. Buckley, S.J.: Reading and Writing for Individuals with Down Syndrome—An Overview. Down Syndrome Issues and Information. The Down Syndrome Educational Trust, Portmouth, UK (2001)
5. Byrne, A.: Teaching reading to children with Down syndrome. Unpublished PhD Thesis. University of Portsmouth (1997)