König-Langlo, Gert (2000): Radiosonde PS55/18609 during POLARSTERN cruise ARK-XV/2 on 1999-07-31 04:05h. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.382985, In: König-Langlo, G (2000): Upper air soundings during POLARSTERN cruise ARK-XV/2. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.849308