• Proceedings of the Estonian Academy of Sciences celebrates volume 70Järv, Jaak; Engelbrecht, JüriProceedings of the Estonian Academy of Sciences2021 / p. 1-2 : phot https://doi.org/10.3176/proc.2021.1.05 https://kirj.ee/wp-content/plugins/kirj/pub/proc-1-2021-1-2_20210218113638.pdf