@book{5287,
	author = {Κούγκολος, Αθανάσιος Γ.},
	title = {Περιβαλλοντική μηχανική :},
	publisher = {Τζιόλας,},
	year = {2018.},
	address = {Θεσσαλονίκη :},
	edition = {2η έκδ.}
}