(en) MINEKA S. (1) ; DAVIDSON M. ; COOK M. ; KEIR R., Observational conditioning of snake fear in rhesus monkeys. Journal of abnormal psychology (ISSN0021-843X) (CODENJAPCAC), 1984, vol. 93, no 4, p. 355-372 (2 p.)
Iulia Bădescu, Pascale Sicotte, Aaron A. Sandel, Kelly J. Desruelle, Cassandra Curteanu, David P. Watts, Daniel W. Sellen,Premasticated food transfer by wild chimpanzee mothers with their infants: Effects of maternal parity, infant age and sex, and food properties, Journal of Human Evolution, Volume 143,2020,102794, (ISSN0047-2484)
(en) MINEKA S. (1) ; DAVIDSON M. ; COOK M. ; KEIR R., Observational conditioning of snake fear in rhesus monkeys. Journal of abnormal psychology (ISSN0021-843X) (CODENJAPCAC), 1984, vol. 93, no 4, p. 355-372 (2 p.)
Radbill, Samuel X. (October 1981), "Infant Feeding through the Ages", Clin Pediatr, 20 (10): 613–621, doi:10.1177/000992288102001001, PMID7023787
Pelto, Greta; Zhang, Yuanyuan; Habicht, Jean-Pierre (January 2010), "Premastication: the second arm of infant and young child feeding for health and survival?", Journal of Maternal and Child Nutrition, 6 (1): 4–18, doi:10.1111/j.1740-8709.2009.00200.x, PMC 6860819, PMID20073131