@book{7397,
	author = {Αγγελής, Βασίλης and Δημάκη, Κατερίνα},
	title = {Στατιστική /},
	publisher = {Εκδόσεις Σοφία,},
	year = {2011},
	address = {Θεσσαλονίκη:}
}