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[Subject: Generalities]
Translated by: LILIAN BENITEZ
Translated in 59 languages
[Subject: Biology]
Translated in 27 languages
[Subject: Physics]
Translated in 5 languages
Translated in 3 languages
[Subject: Light & Paraphotic Phenomena]
Translated in 63 languages
Translated in 8 languages
[Subject: Literature (Belle-Lettres)]