1. Associated movements in normal and physically handicapped children;Abercrombie;Developmental Medicine and Child Neurology,1964
2. Soft neurological signs in learning-disabled children and controls;Adams;American Journal of Disabled Children,1974
3. Developmental profile manual;Alpern,1972
4. Standards for educational & psychological tests;American Psychological Association,1974
5. “Soft signs” in children with learning disorders;Barlow;American Journal of the Disabled Child,1974