@book{21793, author = {de Vaan, G. and Vervloed, M.}, title = {Behavioural assessment of autism spectrum disorders in people with multiple disabilities}, year = {2016}, series = {Journal of Intellectual Disability Research}, url = {https://ihc.idm.oclc.org/login?url=http://onlinelibrary.wiley.com/doi/10.1111/jir.12206/full} }