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

https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/502291/54284_EU_Series_No1_Web_Accessible.pdf

https://open.overheid.nl/documenten/ronl-48b77cf7bdf0f91d4ed394ca2a37d2041bc50647/pdf