De Boer, M., Spek, A., & Lobbestael, J. (2014)
Comparing cognitive functioning inschizophrenia and autism using the WAIS-III.
Research in Autism Spectrum Disorders, 8, 737-745.
Spek, A.A., & Wouters, S.G.M. (2012).
Autisme en schizofrenie bij volwassenen: Verschillen en overeenkomsten.
Wetenschappelijk Tijdschrift Autisme, 1, 31-34.
Wouters, S.G.M., & Spek, A.A. (2011).
The use of the Autism-spectrum Quotient in differentiating high- functioning adults with autism, adults with schizophrenia and a neurotypical adult control group.
Research in Autism Spectrum Disorders, 5, 1169-1175.
Spek, A.A., & Wouters, S.G.M. (2010).
Autism and schizophrenia in high functioning adults: Behavioral differences and overlap.
Research in Autism Spectrum Disorders, 4, 709-717