KohutH. (1971). The analysis of the self. New York: International Universities Press.
2.
LewisM.GoldbergS. (1969). Perceptual-cognitive development in infancy. Merrill-Palmer Quarterly, 15, 81–100.
3.
PapousekH. (1969). Individual variability in learned responses in human infants. In RobinsonR. J. (Ed.), Brain and early behavior (pp. 251–66). London: Academic Press.
4.
SternD. N. (1985). The interpersonal world of the infant. New York: Basic Books.