کتاب های Alexander Proelß (editor)
Internationales Umweltrecht
Kristin Bartenstein (editor); Wolfgang Durner (editor); Astrid Epiney (editor); et al. (editor); Alexander Proelß (editor), 2017
Internationales Umweltrecht
Kristin Bartenstein (editor); Wolfgang Durner (editor); Astrid Epiney (editor); et al. (editor); Alexander Proelß (editor), 2017
