König-Langlo, Gert (1999): Radiosonde PS49/17222 during POLARSTERN cruise ANT-XV/4 on 1998-04-07 09:58h. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.382546, In: König-Langlo, G (1999): Upper air soundings during POLARSTERN cruise ANT-XV/4. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.849746