1. Akkermans, B. (2018). Sustainable property law? European property law journal. 7(1). 2-3;
2. Alexander, G. S. (2003). Property as a Fundamental constitutional Right? The German Example. Cornell Law Faculty Working Papers. 4. 1-62;
3. Alexander, G. S. Penalver, E. M. Singer, J. W. Underkuffler, L. S. (2009). A Statement of Progressive Property. Cornell Law Reviev. 4 (94). 743-744;
4. Bertrand, M. (2018). La protection des sols dans le cadre de l'Union européene. Lyon: Université Lyon 3, J. Moulin: Thése de Doctorat;
5. Brown, T. C. Bergstrom, J. C. Loomis, J. B. (2007). Defining, Valuing and Providing Ecosystem Goods and Services. Natural Resources Journal. 47. 329-376;