Christensen, O.B. and Kilenyi, T.I. 1970. Ostracod Biostratigraphy of the Kimmeridgian in Northern and Western Europe. Danmarks Geologiske Undersøgelse II. Række. 95, (Dec. 1970), 1–65. DOI:https://doi.org/10.34194/raekke2.v95.6886.