1. Agenda 21 (1992) Sustainable Development plan for the 21th century, United Nations Conference on Environment & Development, Rio de Janerio, Brazil, 3–14 June 1992. Available online: https://sdgs.un.org/publications/agenda21. Accessed on September 2021
2. Arouca Declaration (2011) Available online: http://www.europeangeoparks.org/?p=223. Accessed on September 2021
3. Bert D, Pagès JS (2021) Les Isnards ammonite slab geoheritage site (Digne-les-Bains, Southeastern France). Geoconserv Res 4(2). https://doi.org/10.30486/gcr.2021.1917851.1074
4. Bert D, Guiomar M, Bariani F, Faure E (2019a) Réserve Naturelle Nationale géologique de Haute-Provence - Plan de gestion 2020–2030. Section A, pp 158, Section B, pp 70, Section C, pp 106, Section D, pp 48. http://www.paca.developpement-durable.gouv.fr/plan-de-gestion-2020-2030-de-la-rnn-geologique-de-a12730.html. Accessed on September 2021
5. Bert D, Guiomar M, Hippolyte JC, Bromblet Ph (2019b) Le projet de conservation et d'aménagement de la Dalle aux ammonites de Digne-les-Bains. Congrès APF 2019b - Aix-en-Provence, 16th-20th April 2019b:14