	Authors	Year	Title
	Kullmann	1973	Goniatite-coral associations from the Devonian of Istanbul, Turkey. In: Kaya,O. [ed.]: Paleozoic of Istanbul. Ege Üniversitesi Fen Fakültesi Kitaplar serisi 40: 97-116, 1 text-fig., 2 pls., Bornova-Izmir.