SalkL.: The Effects of the Normal Heartbeat Sound on the Behavior of the Newborn Infant; Implications for Mental Health.World Mental Health, 1960, Vol. 12, No. 4, 168–175.
10.
SalkL.: The Importance of the Heartbeat Rhythm to Human Nature: Theoretical, Clinical, and Experimental Observations.Proceedings of the Third World Congress of Psychiatry, University of Toronto Press, 1961, 740–746.
11.
SalkL.: Mothers' Heartbeat as an Imprinting Stimulus.Transactions of the New York Academy of Sciences, May, 1962, Ser. II, Vol. 24, No. 7, 753–763.
12.
ScottJ. H.: Some Effects at Maturity of Gentling, Ignoring or Shocking Rats During Infancy.Journal of Abnormal and Social Psychology, 1955, 51: 412–414.
13.
SpitzRene A.: Hospitalism, An Inquiry into the Genesis of Psychiatric Conditions in Early Childhood.Psychoanalytic Study of the Child, Vol. I, 1945. Hospitalism, a Follow-up Report on Investigation Described in Vol. I, 1945. Psychoanalytic Study of the Child, Vol. II, 1946.
14.
ThompsonW. R.: Early Environmental Influences on Behavioral Development.American Journal of Orthopsychiatry, 1960, 30: 306–314.
15.
WeilandI. Hyman: Heartbeat Rhythm and Maternal Behavior.Journal of the American Academy of Child Psychiatry, January, 1964, Vol. 3, No. 1, 161–164.
16.
WeiningerO.: The Effects of Early Experience on Behaviour and Growth Characteristics.Journal of Comparative and Physiological Psychology, 1956, Vol. 49, No. 1.