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Translated by: BERNARDO SARRIO ALBENTOSA
Translated in 45 languages
[Subject: Generalities]
Translated by: JOCELYN MEERSOHN MORALES
Translated in 27 languages
Translated by: JOSEP GUILLEN I MILLA
Translated in 12 languages
[Subject: Geology, Meteorology, Hydrology]
Translated in 9 languages
[Subject: Biology]
Translated by: JUAN GOMEZ ESCOBAR
Translated in 115 languages