BaldwinV.FredericksB. (1984). The Oregon State School for the Blind, Study submitted to the Oregon Legislature, Monmouth, OR: Teaching Research.
2.
BlacherJ.MeyersC. (1983). A review of attachment formations and disorders of handicapped children. American Journal of Mental Deficiency87(4), 359–371.
3.
LotterV. (1978). Follow-up studies. In RutterM.SchoplerE. (Eds.), Autism: A reappraisal of concepts and treatments.New York: Plenum Press.