1.
Tylén K, Bruni LE. Sign evolution on multiple time scales. Introductory comments. SSS [Internet]. 2014 Dec. 5 [cited 2024 Nov. 25];42(2/3):169-71. Available from: https://ojs.utlib.ee/index.php/sss/article/view/SSS.2014.42.2-3.01