König-Langlo, Gert (1991): Radiosonde PS15/05124 during POLARSTERN cruise ARK-VI/4 on 1989-07-01 10:31h. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.378599, In: König-Langlo, G (1991): Upper air soundings during POLARSTERN cruise ARK-VI/4. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.852708