The Adult Repetitive Behaviours Questionnaire-2 (RBQ-2A): A Self-Report Measure of Restricted and Repetitive Behaviours
Journal of Autism and Developmental Disorders (2015) - Comment
pubmed: 26155763  doi: 10.1007/s10803-015-2514-6  issn: 1573-3432  issn: 0162-3257 

Sarah L. Barrett, Mirko Uljarević, Emma K. Baker, Amanda L. Richdale, Catherine R. G. Jones, Susan R. Leekam