Königshof, P. "Devonian change: case studies in palaeogeography and palaeoecology - an introduction". Geological Society, London, Special Publications (ingilis). 314 (1). 2009: 1–6. Bibcode:2009GSLSP.314....1K. doi:10.1144/SP314.1. ISSN0305-8719.
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Königshof, P. "Devonian change: case studies in palaeogeography and palaeoecology - an introduction". Geological Society, London, Special Publications (ingilis). 314 (1). 2009: 1–6. Bibcode:2009GSLSP.314....1K. doi:10.1144/SP314.1. ISSN0305-8719.
Königshof, P. "Devonian change: case studies in palaeogeography and palaeoecology - an introduction". Geological Society, London, Special Publications (ingilis). 314 (1). 2009: 1–6. Bibcode:2009GSLSP.314....1K. doi:10.1144/SP314.1. ISSN0305-8719.
Torsvik, Trond H. Earth history and palaeogeography. Cocks, L. R. M. (Leonard Robert Morrison), 1938-. Cambridge, United Kingdom. 2017. ISBN978-1-107-10532-4. OCLC968155663.