New regulatory tool for the conservation of the geological heritage in France: the Prefectural Decree of the Protection of the Geotope (APPG). Application and feedback in the Yvelines department (Paris basin, Île-de-France)
BSGF - Earth Sci. Bull., 189 1 (2018) 3
DOI: https://doi.org/10.1051/bsgf/2018002