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[Subject: Astronomy & Allied Sciences]
- Der Planet, wo wir leben
Translated in 45 languages
Translated in 18 languages
[Subject: Ecology]
Translated by: TZUNG-HSIEN CHEN
Translated in 13 languages
[Subject: Generalities]
Translated by: MIRJAM BRÜCKNER
Translated in 24 languages
Translated by: KATRIN HELD
Translated in 4 languages