Raudjärv M. Professor Emerit. Dr. rer. Pol. Manfred O. E. Hennies (10.09.1938–18.10.2019). In memoriam. TPEP [Internet]. 2019 Dec. 16 [cited 2024 Apr. 19];27(3-4):233-41. Available from: https://ojs.utlib.ee/index.php/TPEP/article/view/16240