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[Subject: Generalities]
Translated by: DAVID LAURENT
Translated in 27 languages
Translated by: MARCO PRADELLI
Translated in 19 languages
Translated in 16 languages
Translated in 8 languages
Translated by: GUEST USER
Translated in 7 languages
[Subject: Relation Of Natural Factors]
Translated in 40 languages
Translated in 23 languages