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[Subject: Geology, Meteorology, Hydrology]
Translated by: DAVID LAURENT
Translated in 13 languages
[Subject: Earth (Astronomical Geography)]
- Small, white fibrous cloud found at very high altitudes
Translated by: ROBERT GRIGOR BAXTER
Translated in 12 languages
[Subject: Generalities]
Translated by: FARHAD PEZESHKI
Translated in 2 languages
[Subject: Zoology]
Translated by: LILIAN BENITEZ