Burgoon, Judee K. (1991). "Relational message interpretations of touch, conversational distance, and posture". Journal of Nonverbal Behavior. 15 (4): 233–259. doi:10.1007/bf00986924. ISSN0191-5886. S2CID144507275.
Ferber, Sari Goldstein; Feldman, Ruth; Makhoul, Imad R. (June 2008). "The development of maternal touch across the first year of life". Early Human Development. 84 (6): 363–370. doi:10.1016/j.earlhumdev.2007.09.019. ISSN0378-3782. PMID17988808.
Field, Tiffany; Hernandez-Reif, Maria; Diego, Miguel (2010-05-04). "Depressed mothers' newborns are less responsive to animate and inanimate stimuli". Infant and Child Development. 20 (1): 94–105. doi:10.1002/icd.687. ISSN1522-7227.
Beckett, Celia; Maughan, Barbara; Rutter, Michael; Castle, Jenny; Colvert, Emma; Groothues, Christine; Kreppner, Jana; Stevens, Suzanne; O'Connor, Thomas G. (May 2006). "Do the Effects of Early Severe Deprivation on Cognition Persist Into Early Adolescence? Findings From the English and Romanian Adoptees Study". Child Development. 77 (3): 696–711. doi:10.1111/j.1467-8624.2006.00898.x. ISSN0009-3920. PMID16686796.
Neu, M.; Laudenslager, M. L.; Robinson, J. (2008-11-17). "Coregulation in Salivary Cortisol During Maternal Holding of Premature Infants". Biological Research for Nursing. 10 (3): 226–240. doi:10.1177/1099800408327789. ISSN1099-8004. PMID19028768. S2CID25062122.
Field, Tiffany (January 1999). "Preschoolers in America are Touched Less and are More Aggressive Than Preschoolers in France". Early Child Development and Care. 151 (1): 11–17. doi:10.1080/0300443991510102. ISSN0300-4430.
Dunbar, R.I.M. (1991). "Functional Significance of Social Grooming in Primates". Folia Primatologica. 57 (3): 121–131. doi:10.1159/000156574. ISSN1421-9980.
Noë, Ronald (2001), "Biological markets: partner choice as the driving force behind the evolution of mutualisms", Economics in Nature, Cambridge University Press, pp. 93–118, doi:10.1017/cbo9780511752421.008, ISBN9780511752421
Ferber, Sari Goldstein; Feldman, Ruth; Makhoul, Imad R. (June 2008). "The development of maternal touch across the first year of life". Early Human Development. 84 (6): 363–370. doi:10.1016/j.earlhumdev.2007.09.019. ISSN0378-3782. PMID17988808.
Beckett, Celia; Maughan, Barbara; Rutter, Michael; Castle, Jenny; Colvert, Emma; Groothues, Christine; Kreppner, Jana; Stevens, Suzanne; O'Connor, Thomas G. (May 2006). "Do the Effects of Early Severe Deprivation on Cognition Persist Into Early Adolescence? Findings From the English and Romanian Adoptees Study". Child Development. 77 (3): 696–711. doi:10.1111/j.1467-8624.2006.00898.x. ISSN0009-3920. PMID16686796.
Neu, M.; Laudenslager, M. L.; Robinson, J. (2008-11-17). "Coregulation in Salivary Cortisol During Maternal Holding of Premature Infants". Biological Research for Nursing. 10 (3): 226–240. doi:10.1177/1099800408327789. ISSN1099-8004. PMID19028768. S2CID25062122.
Neu, M.; Laudenslager, M. L.; Robinson, J. (2008-11-17). "Coregulation in Salivary Cortisol During Maternal Holding of Premature Infants". Biological Research for Nursing. 10 (3): 226–240. doi:10.1177/1099800408327789. ISSN1099-8004. PMID19028768. S2CID25062122.
Burgoon, Judee K. (1991). "Relational message interpretations of touch, conversational distance, and posture". Journal of Nonverbal Behavior. 15 (4): 233–259. doi:10.1007/bf00986924. ISSN0191-5886. S2CID144507275.
Ferber, Sari Goldstein; Feldman, Ruth; Makhoul, Imad R. (June 2008). "The development of maternal touch across the first year of life". Early Human Development. 84 (6): 363–370. doi:10.1016/j.earlhumdev.2007.09.019. ISSN0378-3782. PMID17988808.
Field, Tiffany; Hernandez-Reif, Maria; Diego, Miguel (2010-05-04). "Depressed mothers' newborns are less responsive to animate and inanimate stimuli". Infant and Child Development. 20 (1): 94–105. doi:10.1002/icd.687. ISSN1522-7227.
Beckett, Celia; Maughan, Barbara; Rutter, Michael; Castle, Jenny; Colvert, Emma; Groothues, Christine; Kreppner, Jana; Stevens, Suzanne; O'Connor, Thomas G. (May 2006). "Do the Effects of Early Severe Deprivation on Cognition Persist Into Early Adolescence? Findings From the English and Romanian Adoptees Study". Child Development. 77 (3): 696–711. doi:10.1111/j.1467-8624.2006.00898.x. ISSN0009-3920. PMID16686796.
Neu, M.; Laudenslager, M. L.; Robinson, J. (2008-11-17). "Coregulation in Salivary Cortisol During Maternal Holding of Premature Infants". Biological Research for Nursing. 10 (3): 226–240. doi:10.1177/1099800408327789. ISSN1099-8004. PMID19028768. S2CID25062122.
Field, Tiffany (January 1999). "Preschoolers in America are Touched Less and are More Aggressive Than Preschoolers in France". Early Child Development and Care. 151 (1): 11–17. doi:10.1080/0300443991510102. ISSN0300-4430.
Dunbar, R.I.M. (1991). "Functional Significance of Social Grooming in Primates". Folia Primatologica. 57 (3): 121–131. doi:10.1159/000156574. ISSN1421-9980.