1. ITB Brochure—Sustainable Construction in the EU
https://www.itb.pl/epd.html
2. Green Building
https://www.eecpoland.eu/2021/pl/wiadomosci/zielone-budownictwo-dopiero-raczkuje-przed-branza-daleka-droga,489128.html
3. Climate Change 2021: The Physical Science Basis, the Working Group I Contribution to the Sixth Assessment Report
https://www.ipcc.ch/report/sixth-assessment-report-working-group-i/
4. Polish Cement
https://www.polskicement.pl/aktualnosci/co2-zmienia-oblicze-przemyslu-cementowego