"Antsirabe Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 23 September 2023. Retrieved 23 September 2023.
"Ankaratra Field". Global Volcanism Program. Archived from the original on 31 January 2012. Retrieved 15 July 2012.
"Antsirabe Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 23 September 2023. Retrieved 23 September 2023.