Literature
Authors(s) Nørregaard, E. M.
Year 1916
Title Mellem-miocaene Blokke fra Esbjerg. Danm. Geol. Unders. (4)1(5): 1-58, 3 pls.

Also published in: Meddr dansk geol. Foren. 5(1): 1-58, 3 pls,.