The Cryosphere The Cryosphere, Copernicus 2021, 15 (4), pp.1881-1888. ⟨10.5194/tc-15-1881-2021⟩ Lilien, D A, Steinhage, D, Taylor, D, Parrenin, F, Ritz, C, Mulvaney, R, Martin, C, Yan, J-B, O'Neill, C, Frezzotti, M, Miller, H, Gogineni, P, Dahl-Jensen, D & Eisen, O 2021, ' Brief communication : New radar constraints support presence of ice older than 1.5 Myr at Little Dome C ', Cryosphere, vol. 15, no. 4, pp. 1881-1888 . https://doi.org/10.5194/tc-15-1881-2021 The Cryosphere, Copernicus 2021, 15, pp.1881-1888. ⟨10.5194/tc-15-1881-2021⟩ The Cryosphere, Vol 15, Pp 1881-1888 (2021) The Cryosphere, 2021, 15, pp.1881-1888. ⟨10.5194/tc-15-1881-2021⟩