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[Subject: Generalities]
Translated in 15 languages
[Subject: Data Processing Computer Science]
Translated in 11 languages
[Subject: Music]
Translated by: ALESSANDRO ZIGNANI
Translated in 4 languages
Translated by: ERNESTO RITONDALE
Translated by: PEZZUOLI CLAUDIO
Translated in 3 languages
[Subject: Geometry]
Translated in 2 languages
[Subject: Military Art & Science]
[Subject: Medical Equipment]