@book{2509,
	author = {Maturana, Humberto R.},
	title = {Το δέντρο της γνώσης},
	publisher = {Κάτοπτρο},
	year = {1992},
	series = {Εγκέφαλος και νόηση},
	address = {Αθήνα},
	note = {Τίτλος πρωτοτύπου:The tree of knowledge}
}