The principle of frozen evolution and its manifestation in the fossil record: the brachiopod genus Aegiromena Havlíček, 1961 (Upper Ordovician, Czech Republic)

MIKULÁŠ, R. The principle of frozen evolution and its manifestation in the fossil record: the brachiopod genus Aegiromena Havlíček, 1961 (Upper Ordovician, Czech Republic). In: BUDIL, P., ed. Paleontological Workshop Held in Honour of Doc. RNDr. Jaroslav Kraft, CSc. : (9.4.1940-10.1.2007) : Plzeň, 17th and 18th October 2008. Prague: Czech Geological Society,, 2008, s. 32-38. ISBN 978-80-904208-1-6.