1. Bill Allombert. 2020. Debian Popularity Contest. https://popcon.debian.org/stable/by_vote Bill Allombert. 2020. Debian Popularity Contest. https://popcon.debian.org/stable/by_vote
2. MITRE Corporation. 2019 a. Artifex Ghostscript : Security Vulnerabilities. https://www.cvedetails.com/vulnerability-list/vendor_id-10846/product_id-36469/Artifex-Ghostscript.html MITRE Corporation. 2019 a. Artifex Ghostscript : Security Vulnerabilities. https://www.cvedetails.com/vulnerability-list/vendor_id-10846/product_id-36469/Artifex-Ghostscript.html