- 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 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS
- 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