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[Subject: Generalities]
Translated by: MARCO PRADELLI
Translated in 36 languages
Translated by: DAVID LAURENT
Translated in 21 languages
[Subject: Light & Paraphotic Phenomena]
Translated by: ALESSANDRO ZIGNANI
Translated in 5 languages
- qui rumorem non facit
Translated by: SIBILLA CUOGHI
Translated in 63 languages