BRUSTUR, Titus; JIPA, Dan C.. Possible Middle Pontian avian and mammalian trace fossils from the Dacian Basin (Slănicul de Buzău Valley, Romania). Geo-Eco-Marina, [S.l.], v. 25, p. 193-202, jan. 2020. ISSN 1224-6808. Available at: <http://journal.geoecomar.ro/geo-eco-marina/article/view/15_2019>. Date accessed: 01 mar. 2021. doi: https://doi.org/10.5281/zenodo.3609972.