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Translated by: GIANFRANCO MANTOVANI
Translated in 29 languages
[Subject: Mineralogy]
Translated by: DAVID LAURENT
[Subject: Generalities]
Translated by: TZUNG-HSIEN CHEN
Translated in 26 languages
[Subject: Ichthyology ]
Translated in 8 languages
[Subject: Metal Manufactures]
Translated in 28 languages
Translated in 20 languages