http://peaceandsecurityindex.org/wp-content/themes/peaceandsecurity/images/PSFG-report.pdf
https://www.eeas.europa.eu/sites/default/files/documents/strategic_compass_en3_web.pdf
https://rusi.org/commentary/russia-clandestine-chemical-weapons-programme-bellingcat-exposure?utm_source=RUSI+Newsletter&utm_campaign=dacdefba55-EMAIL_CAMPAIGN_2020_09_10_09_43_COPY_01&utm_medium=email&utm_term=0_0c9bbb5ef0-dacdefba55-47711229
https://rusi.org/sites/default/files/briefingpaper-france-uk-2017.pdf