Patrick Blomenkemper, Hans Kerp, Abdalla Abu Hamad, William A. DiMichele i Benjamin Bomfleur.A hidden cradle of plant evolution in Permian tropical lowlands.„Science”.362(6421),s.1414–1416,2018. DOI: 10.1126/science.aau4061. PMID: 30573628.(ang.).
Patrick Blomenkemper, Hans Kerp, Abdalla Abu Hamad, William A. DiMichele i Benjamin Bomfleur.A hidden cradle of plant evolution in Permian tropical lowlands.„Science”.362(6421),s.1414–1416,2018. DOI: 10.1126/science.aau4061. PMID: 30573628.(ang.).