(en) Hubers, M. & Kerp, H. (2012). Oldest known mosses discovered in Mississippian (late Visean) strata of Germany. Geology40 (8): 755–758. ISSN: 0091-7613. DOI: 10.1130/G33122.1.
(en) Hubers, M. & Kerp, H. (2012). Oldest known mosses discovered in Mississippian (late Visean) strata of Germany. Geology40 (8): 755–758. ISSN: 0091-7613. DOI: 10.1130/G33122.1.