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[Subject: Geology, Meteorology, Hydrology]
Translated by: MARCO PRADELLI
Translated in 97 languages
[Subject: Generalities]
Translated by: ALESSANDRO ZIGNANI
Translated in 19 languages
Translated in 10 languages
Translated in 7 languages
Translated in 13 languages
Translated by: ERNESTO RITONDALE
Translated in 11 languages