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[Subject: Geometry]
Translated by: MARCO PRADELLI
Translated in 31 languages
[Subject: Social Interaction]
Translated by: CESARE PAVONE
Translated in 27 languages
[Subject: Generalities]
Translated in 17 languages
[Subject: Military Art & Science]
Translated in 8 languages
[Subject: Fashion]
Translated in 23 languages
Translated in 5 languages