Discussions on child development : a consideration of the biological, psychological and cultural approaches to the understanding of human development and behaviour: the proceedings of the meetings of the World Health Organization Study Group on the Psychobiological Development of the Child, Geneva 1953-1956 / editors: J.M. Tanner, Bärbel Inhelder.
World Health Organization. Study Group on the Psychobiological Development of the Child. | Date: 1971