- X-ray computed tomography of Lower Palaeozoic trace fossils from the carbonate succession of Estonia: preliminary resultsToom, Ursula; Hints, Olle; Hints, Rutt; Kuva, Jukka; Vinn, Olev6th Workshop on Ichnotaxonomy, September 2–8, 2018 SENCKENBERG am Meer, Wilhelmshaven, Germany : programme & abstracts2018 / p. 23