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[Subject: Generalities]
Translated by: SERGIO CRAGNOLINI
Translated in 24 languages
Translated in 14 languages
Translated in 10 languages
[Subject: Medical Sciences, Medicine]
Translated in 9 languages
[Subject: Physics]
Translated in 7 languages
[Subject: Hydraulic Engineering]
Translated in 5 languages
[Subject: Communications]
Translated in 4 languages
[Subject: Geology, Meteorology, Hydrology]
Translated in 3 languages
[Subject: Telephone & Portable Telephone]