König-Langlo, Gert (2011): Radiosonde PS77/31854 during POLARSTERN cruise ANT-XXVII/2 on 2010-12-25 06:09h. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.760462, In: König-Langlo, G (2011): Upper air soundings during POLARSTERN cruise ANT-XXVII/2. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.849045