• CHITDB : a database for documenting and analysing diversification of Ordovician-Silurian chitinozoans in the Baltic regionHints, Olle; Antonovitš, Liina; Bauert, Garmen; Nestor, Viiu; Nõlvak, Jaak; Tammekänd, MairyLethaia2018 / p. 218 - 227 https://doi.org/10.1111/let.12249 https://www.scopus.com/sourceid/13956 https://www.scopus.com/record/display.uri?eid=2-s2.0-85031325671&origin=inward&txGid=e77ec8b4cbe6f429fc7577df25507f4d https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LETHAIA&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000428449700008
• Chitinozoan dynamics and biostratigraphy in the Väo Formation (Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW EstoniaTammekänd, Mairy; Hints, Olle; Nõlvak, JaakEstonian journal of earth sciences2010 / 1, p. 25-36 : ill https://artiklid.elnet.ee/record=b1965715*est