4J. L. Carroll & J. Rest, Moral development. In Handbook of developmental Psychology (Ed. B. B. Wolman, et al, 1982); Sagi & M. Hoffman, Empathic Distress in the Newborn, Dev. Psy., 1976, 12, PP. 175- 176; M. L. Simner, Newborn' Response to the Cry of Another Infant, Dev. Psy , 1971, 5, PP. 136 -150.
5L.B. Murphy. Social Behavior and Child Personality, 1937.
