- Johannesson, Johannes Marteinn., Sigmundsdóttir, Berglind., Sigursveinsson, Sigurdur. (2023) Volcanic features within Katla UNESCO Global Geopark. Geoconservation Research (Geoconserv. Res.), 6(1), 53-69. https://doi.org/10.30486/gcr.2023.1982324.1130