Karmiloff-Smith, Annette and Doherty, B. and Cornish, K. and Scerif, G. (2016) Fragile X Syndrome as a multilevel model for understanding behaviorally defined disorders. In: Cicchetti, D. (ed.) Developmental Psychopathology: Maladaptation and Psychopathology. Hoboken, U.S.: Wiley, pp. 68-80. ISBN 9781118120927.