Ludwig Luthardt; Mandy Hofmann; Ulf Linnemann; Axel Gerdes; Linda Marko; Ronny Rößler (2018). "A new U-Pb zircon age and a volcanogenic model for the early Permian Chemnitz Fossil Forest". International Journal of Earth Sciences. 107 (7): 2465–2489. Bibcode:2018IJEaS.107.2465L. doi:10.1007/s00531-018-1608-8. S2CID133884490.
Ronny Rößler; Thorid Zierold; Zhuo Feng; Ralph Kretzschmar; Mathias Merbitz; Volker Annacker; Jörg W. Schneider (2012). "A Snapshot of an Early Permian Ecosystem Preserved by Explosive Volcanism: New Results from the Petrified Forest of Chemnitz, Germany". PALAIOS. 27 (11): 315–364. doi:10.2110/palo.2011.p11-112r. S2CID140661360.
Ludwig Luthardt; Mandy Hofmann; Ulf Linnemann; Axel Gerdes; Linda Marko; Ronny Rößler (2018). "A new U-Pb zircon age and a volcanogenic model for the early Permian Chemnitz Fossil Forest". International Journal of Earth Sciences. 107 (7): 2465–2489. Bibcode:2018IJEaS.107.2465L. doi:10.1007/s00531-018-1608-8. S2CID133884490.
Ludwig Luthardt; Mandy Hofmann; Ulf Linnemann; Axel Gerdes; Linda Marko; Ronny Rößler (2018). "A new U-Pb zircon age and a volcanogenic model for the early Permian Chemnitz Fossil Forest". International Journal of Earth Sciences. 107 (7): 2465–2489. Bibcode:2018IJEaS.107.2465L. doi:10.1007/s00531-018-1608-8. S2CID133884490.
Ronny Rößler; Thorid Zierold; Zhuo Feng; Ralph Kretzschmar; Mathias Merbitz; Volker Annacker; Jörg W. Schneider (2012). "A Snapshot of an Early Permian Ecosystem Preserved by Explosive Volcanism: New Results from the Petrified Forest of Chemnitz, Germany". PALAIOS. 27 (11): 315–364. doi:10.2110/palo.2011.p11-112r. S2CID140661360.