Early diversification of Ordovician chitinozoans on Baltica : New data from the Jägala waterfall section, northern EstoniaNõlvak, Jaak; Liang, Yan; Hints, OllePalaeogeography, palaeoclimatology, palaeoecology2019 / p. 14-24 : ill https://doi.org/10.1016/j.palaeo.2019.04.002 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS High-resolution trilobite stratigraphy of the Lower–Middle Ordovician Öland Series of BaltoscandiaPärnaste, Helje; Bergström, Jan; Zhiyi, ZhouGeological magazine2012 / p. 1-10 : ill https://pubs.geoscienceworld.org/geolmag/article-abstract/150/3/509/299539/High-resolution-trilobite-stratigraphy-of-the