• On future directions of Ordovician chitinozoan researchLiang, Yan; Hints, Olle; Nõlvak, Jaak; Tang, PengEstonian journal of earth sciences2023 / p. 58-61 : ill https://doi.org/10.3176/earth.2023.34 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-85164620459&origin=inward&txGid=ebffe8bc0e26201794ec7426af2e710e https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001015198400015