E. Sheldon, K. Dybkjær, E. Skovbjerg Rasmussen, and M. Oksman, “A multidisciplinary biostratigraphic framework for the Lower to Middle Miocene of the Norwegian North Sea – the siliceous succession of the Valhall–Hod area”, GEUS Bulletin, vol. 59, Dec. 2025, doi: 10.34194/5k9dv133.