1. BAFU. (2015a).Waldbericht 2015. Report published by the Swiss Confederation.
2. BAFU. (2015b).Jahrbuch Wald und Holz 2014. Report published by the Swiss Confederation.
3. BAFU. (2016).Jahrbuch Wald und Holz 2015. Report published by the Swiss Confederation.
4. BAFU. (2019).Liste der Deponien in der Schweiz. Report published by the Swiss Confederation.