1. Perception and eye movements: some speculations on disorders in cerebral palsy;Abercrombie;Cerebral Palsy Bull,1960
2. Visual perceptural and visuo-motor impairments in physically handicapped children;Abercrombie;Perceptual and Motor Skills,1964
3. Visual, perceptual and visuo-motor impairments in physically handicapped children;Tyson;Perceptual and Motor Skills,1964
4. Cerebral palsy: a developmental disability;Cruickshank,1976
5. Haemorrhage, ischemia and the perinatal brain;Pape,1979