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[Subject: Relation Of Natural Factors]
Translated by: ISAAC SMITH
Translated in 58 languages
[Subject: Generalities]
Translated by: PEZZUOLI CLAUDIO
Translated in 39 languages
Translated by: CHERBINO SONIA
Translated in 22 languages
Translated in 15 languages
Translated by: GUEST USER
Translated in 1 languages