König-Langlo, Gert (1991): Radiosonde PS15/05164 during POLARSTERN cruise ARK-VI/2 on 1989-05-25 11:00h. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.378639, In: König-Langlo, G (1991): Upper air soundings during POLARSTERN cruise ARK-VI/2. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.852706