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[Subject: Aeronautics]
Translated by: JUAN GOMEZ ESCOBAR
Translated in 16 languages
[Subject: Mechanics]
Translated in 14 languages
[Subject: Generalities]
Translated in 9 languages
Translated in 7 languages
[Subject: Medical Sciences, Medicine]
Translated in 5 languages
[Subject: Geometry]
Translated in 3 languages
Translated in 2 languages
[Subject: Astronomy & Allied Sciences]