• Terre objective : essais d'éthique environnementale : book summary 

        Author(s):Rolston, Holmes, 1932-; Madelin, Pierre; Afeissa, Hicham-Stéphane
        Date:2018-01
        There are eight essays, featuring Rolston’s arguments about objective value on natural landscapes, and how this is needed, beyond resource values for people, in environmental ethics.