1. Council Directive 92/43/EEC on the conservation of natural habitats and of wild fauna and flora;Eur. Commun. Gazette,1992
2. Interpretation Manual of European Union Habitats-EUR28https://ec.europa.eu/environment/nature/legislation/habitatsdirective/docs/Int_Manual_EU28.pdf
3. État de Conservation des Habitats D’intérêt Communautaire à L’échelle du Site–Méthode D’évaluation des Habitats Forestiers. Muséum National d’Histoire Naturelle/Office National des Forêts, 49 pp. + Annexeshttps://www.tela-botanica.org/wp-content/uploads/2017/03/etatdeconservationhabitatsinteretcommunautaire_Carnino_2009_methode_EC_hab_foret.pdf
4. Assessment and reporting under Article 17 of the Habitats Directive. Explanatory Notes & Guidelines for the period 2007–2012. European Commission, Brusselshttps://circabc.europa.eu/sd/a/2c12cea2-f827-4bdb-bb56-3731c9fd8b40/Art17-Guidelines-final.pdf