Thorndike, R. L. (1977). "Causation of Binet IQ decrements". Journal of Educational Measurement. 14 (3): 197–202. doi:10.1111/j.1745-3984.1977.tb00036.x.
Hayashi, Mika; Kato, Motoichiro; Igarashi, Kazue; Kashima, Haruo (2008). "Superior fluid intelligence in children with Asperger's disorder". Brain and Cognition. 66 (3): 306–310. doi:10.1016/j.bandc.2007.09.008. PMID17980944. S2CID14585536.