Younghusband, E., Birchall, D., Davie, R. and Kellmer Pringle, M. L., Eds.: Living with Handicap. The Report of a Working Party of Children with Special Needs. London, TheNational Bureau for Co-operation in Child Care, 1970.
2.
Tizard, J. and Grad, J.C.: The Mentally Handicapped and Their Families. London, Oxford University Press, 1961.
3.
Doxiadis, S. : One of our duties. Clin. Pediat . 6: 680, 1967.