right of superficies held by the owner of the subsoil . EKI terminibaas Esterm. Институт эстонского языка, Сынавееб 2026. https://sonaveeb.ee/search/unif//esterm/right%20of%20superficies%20held%20by%20the%20owner%20of%20the%20subsoil/1/eng (24.08.2026)