Меловой период

Bajnai, D., Pálfy, J., Martinez, M., Price, G. D., Nyerges, A., & Főzy, I. (2017). Multi-proxy record of orbital-scale changes in climate and sedimentation during the Weissert Event in the Valanginian Bersek Marl Formation (Gerecse Mts., Hungary) // Cretaceous Research. V.75, p.45-60. doi: 10.1016/j.cretres.2017.02.021

https://www.researchgate.net/publicatio ... ts_Hungary