@book{2643,
	author = {Δημητρίου, Ανδρέας Π.},
	title = {Γνωστική ανάπτυξη},
	publisher = {Art of text},
	year = {1993},
	series = {Εξελικτική και γνωστική επιστήμη},
	address = {Αθήνα}
}