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[Subject: Relation Of Natural Factors]
Translated by: MARCO PRADELLI
Translated in 152 languages
[Subject: Generalities]
Translated by: TZUNG-HSIEN CHEN
Translated in 36 languages
Translated in 27 languages
[Subject: Geometry]
Translated by: DAVID LAURENT
Translated in 14 languages
[Subject: Water, Air, Space Transportation]
Translated by: ALESSANDRO ZIGNANI
Translated in 5 languages