1. Perceptual and Visuo-Motor Disorders in Cerebral Palsy;Abercrombie, M.L.J.,1964
2. Partial deletion of short arm of a chromosome of the 4-5 group (Denver) in an adult male;Berg, J.M.; Delhanty, J.D.A.; Faunch, J.A.; Ridler, M.A.C.;Jouirnal of Mental Deficiency Research,1965
3. Bergman, S., Flodstrom, I., and Ansehn, S. (1965). Cri du chat. Lancet, 1, 768-769.
4. La sindrome della voce da gatto;Cavalieri, S.; Mastella, G.; Tiepolo, L.;Fracastoro,1964
5. The Pathology of Mental Retardation;Crome, L.; Stern, J.,1967