
https://wiiw.ac.at/alternatives-in-the-design-of-sovereign-green-bonds-dlp-6412.pdf

http://invs.santepubliquefrance.fr/publications/etat_sante_2017/ESP2017_Synthese.pdf

http://www.ips-journal.eu/regions/europe/article/show/myth-of-the-echo-chamber-2135/