Siimon A. Associate Professor Ivar-Jüri Siimon (9.02.1937–20.11.1998). In memoriam (Abstract). TPEP [Internet]. 2018 Jan. 12 [cited 2024 Apr. 18];25(2). Available from: https://ojs.utlib.ee/index.php/TPEP/article/view/13985