Partial Translation Off Article Page Number 31-32 Article Author Joel Podgorski Michael Berg Rolf Kipfer Bulletin Number 60-1 NID in d7 63489 Translation Set 0 Bulletin issue nr. Water 60-1 Article File العربية (5.44 MB) 中文 (7.25 MB) English (5.71 MB) Français (5.39 MB) Русский (2.64 MB) Español (2.63 MB)