Territorial development of the Swiss Confederacy, since 1291 Thursday February 9th, 2023 / Raimund Schnürer / No Comments
Earthquakes: noticeable events, magnitude 2.5+, since 1975 Wednesday January 18th, 2023 / Raimund Schnürer / No Comments
Yield of near-surface groundwater resources Wednesday June 15th, 2022 / Raimund Schnürer / No Comments