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[Subject: Generalities]
Translated by: GUEST USER
Translated in 36 languages
Translated in 31 languages
- van: stoffer en blik
Translated by: STEVEN STENFERT
Translated in 13 languages
[Subject: Metallurgy]
Translated by: DAVID LAURENT
Translated in 10 languages
[Subject: Botany]
Translated in 19 languages