2000-07-07 When wishing the withdrawal from nuclear energy, Germany is living in a wrong world Newspaper articles
2011-11-01 The limits to growth – Donella Meadows, Dennis Meadows, Jørgen Randers and Behrens William W. III – 1972 Societies
2024-09-17 Acknowledgments …this website (but if you think you found one, I will be glad to know it !). My weak shoulders bear also the entire weight for any conclusion or opinion…