@book{123955,
	author = {Symposium on the Parent-Infant Relationship, and Ciba Foundation.},
	title = {Parent-infant interaction.},
	publisher = {Elsevier : Excerpta Medica,},
	year = {1975.},
	address = {Amsterdam ;},
	note = {Proceedings of the symposium held at the Ciba Foundation, London, 5th-7th Nov. 1974.}
}