[1]
Nielsen, L.H., Larsen, F. and Frandsen, N. 1989. Upper Triassic-Lower Jurassic tidal deposits of the Gassum Formation on Sjælland, Denmark. Danmarks Geologiske Undersøgelse Serie A. 23, (Oct. 1989), 1–30. DOI:https://doi.org/10.34194/seriea.v23.7043.