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[Subject: Generalities]
Translated by: SERGIO CRAGNOLINI
Translated in 27 languages
[Subject: Physics]
Translated in 18 languages
[Subject: Metrology & Standardization]
Translated in 14 languages
[Subject: Relation Of Natural Factors]
Translated in 12 languages
[Subject: Ophthalmology]
Translated in 5 languages