Bioclaustrations in Upper Ordovician bryozoans from northern EstoniaVinn, Olev; Ernst, Andrej; Toom, UrsulaNeues Jahrbuch für Geologie und Paläontologie - Abhandlungen2018 / p. 113-121 https://doi.org/10.1127/njgpa/2018/0752 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Rare tool marks from the Upper Ordovician of Estonia (Baltica)Vinn, Olev; Toom, UrsulaNeues Jahrbuch für Geologie und Paläontologie - Abhandlungen2016 / p. 221-226 : ill https://doi.org/10.1127/njgpa/2016/0596