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[Subject: Generalities]
Translated by: FERRAN ISABEL I VILAR
Translated in 60 languages
[Subject: Sciences Of Earth & Worlds]
Translated by: JOAN PAU MERITA
Translated in 38 languages
[Subject: Housing & Household Equipment]
Translated by: JOCELYN MEERSOHN MORALES
Translated in 37 languages
Translated in 101 languages
Translated in 3 languages