Roosaare, Evald2025-08-222025-08-221944ARH Diplomitöö 392396https://hdl.handle.net/10062/115409etAttribution-NonCommercial-NoDerivs 3.0 Estoniahttp://creativecommons.org/licenses/by-nc-nd/3.0/ee/diplomitöödlapsendamineThesis