ICOMOS, HERITAGE AT RISK (2020), World Report 2016-2019 on Monuments and Sites in Danger. Technical Report. Hendrik Bäßler Verlag, Berlin, 173p. ISBN 978-3-945880-67-8, 180p. Gremium 2022, 9 (17), 69-72. https://doi.org/10.56039/rgn17a06.