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[Subject: Generalities]
Translated in 91 languages
[Subject: Utilities]
Translated by: JUAN GOMEZ ESCOBAR
Translated in 38 languages
Translated in 24 languages
[Subject: Automotive]
Translated by: GIANNI GAVIOLI
Translated in 23 languages
[Subject: Economics]
Translated in 14 languages
[Subject: Military Art & Science]
Translated in 13 languages
[Subject: Precision & Other Instruments]
Translated in 11 languages
[Subject: Chemistry]
Translated in 5 languages
[Subject: Land Economics]
Translated in 4 languages
Translated in 3 languages
[Subject: Medical Equipment]
[Subject: Metallurgy]
[Subject: Sciences Of Earth & Worlds]
[Subject: Financial Economics - Bank]
[Subject: Mechanics]
Translated in 2 languages