König-Langlo, Gert (1992): Radiosonde PS18/06263 during POLARSTERN cruise ANT-IX/2 on 1990-12-11 04:37h. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.376778, In: König-Langlo, G (1992): Upper air soundings during POLARSTERN cruise ANT-IX/2. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.853595