	Authors	Year	Title
	Korn	1993	The ammonoid faunal change near the Devonian-Carboniferous boundary. Annales de la Societé géologique de Belgique, 115 (2): 581-593, fig.1-13; Bruxelles.
	Schönlaub, Feist & Korn	1988	The Devonian-Carboniferous Boundary at the section "Grüne Schneid" (Carnic Alps, Austria): A preliminary report. Courier Forschungsinstitut Senckenberg, 100: 149-167, fig.1-4, pl.1-4; Frankfurt a.M.