Velldal, ErikPedersen, Bolette SandfordNešpore, GuntaSkadiņa, Inguna2023-09-222023-09-222011ISSN 1736-6305 (Online)https://hdl.handle.net/10062/92806engopenAccessAttribution-NonCommercial-NoDerivs 3.0 EstoniaRandom Indexing Re-HashedArticle