Hellmann, Dirk (2009): Gamma density, porosity and susceptibility of sediment core GeoB13501-1. PANGAEA, https://doi.org/10.1594/PANGAEA.776858, In: Hellmann, D (2009): Geophysical measurements on sediment cores from North Pond, Mid Atlantic Ridge. PANGAEA, https://doi.org/10.1594/PANGAEA.776875