«Combining experts’ ratings for partly overlapping concept lists: a feasibility test with cultural sustainability indicators», Math. Comput. For. Nat. Res. Sci., bd. 5, nr. 1, s. 1–13 (13), mar. 2013, åpnet: okt. 29, 2026. Tilgjengelig på: https://mcfns.com/index.php/Journal/article/view/5.1