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[Subject: Ecology]
Translated by: KATRIN SALTUARI
Translated in 13 languages
[Subject: Generalities]
Translated in 4 languages
[Subject: Chemistry]
Translated in 3 languages
Translated by: MIRJAM BRÜCKNER
Translated in 2 languages
Translated by: KATRIN HELD
Translated in 17 languages
Translated in 15 languages
[Subject: Art Metalwork]
Translated by: DAVID LAURENT
Translated in 9 languages
Translated in 5 languages