1. Abrunhosa M. , Chambel A. , Peppoloni S. and Chaminé H.I. (eds) 2020. Advances in Geoethics and Groundwater Management: theory and practice for a sustainable development. Proceedings of the 1st Congress on Geoethics and Groundwater Management (GEOETH&GWM'20), May 18–22, Porto, Portugal, https://dcadad62-5380-45bc-99bd-10e901aa75f3.filesusr.com/ugd/ead70f_1ba87b9de95a41f8a38d1d02c92387fb.pdf
2. Agència Catalana de l'Aigua (ACA). http://aca-web.gencat.cat/sdim21 (last accessed 10.01.2020).
3. Alfsen K.H. 1987. Natural Resource Accounting and Analysis: The Norwegian Experience 1978–1986. Central Bureau of Statistics, Oslo.
4. Álvarez P. (ed.) 2019. Healing a Broken World. In Promotio Iustitiae no. 106, Social Justice and Ecology Secretariat (SJES). General Curia of the Society of Jesus, Rome.
5. Anderies J. and Janssen M. 2013. Sustaining the Commons. Center for Behavior, Institutions and the Environment, Arizona State University, Arizona.