Hydro power plants: water volume required and pump efficiency Tuesday March 18th, 2025 / Luca Gaia / No Comments
Reserves for waterfowl and migrant birds of national importance (WV) Friday October 27th, 2023 / Luca Gaia / No Comments
Historical population development of Swiss municipalities (1200-1850) Wednesday March 15th, 2023 / adsadmin / No Comments