Tůma, Oldřich
Nedožité devadesátiny profesora Křena.
[Unfinished ninety years of Professor Jan Křen.]
Soudobé dějiny. Roč. 27, Č. 2 (2020), s. 415-419. ISSN 1210-7050
OECD category: History (history of science and technology to be 6.3, history of specific sciences to be under the respective headings)
Method of publishing: Metadata only
http://hdl.handle.net/11104/0314025