1. Jurassic-Lower Cretaceous lithostratigraphic nomenclature for the Danish Central Trough / by Thorkild Feldthusen Jensen ... [et al.]. København : I kommission hos C.A. Reitzels forlag, 1986. Book ReCAP - Remote Storage » JSF 12-143
2. Palynology of the Middle Jurassic, Lower Graben Sand Formation of the U-1 well, Danish Central Trough / by Torsten Hoelstad. Hoelstad, Torsten [Browse] København : I kommission hos C.A. Reitzels forlag, 1986. Book ReCAP - Remote Storage » JSG 96-77s
3. Catalogue of late- and post-glacial macrofossils of Spermatophyta from Denmark, Schleswig, Scania, Halland, and Blekinge dated 13,000 B.P. to 1536 A.D. / by Hans Arne Jensen. Jensen, Hans Arne [Browse] København : I Kommission hos C.A. Reitzels forlag, 1985. Book ReCAP - Remote Storage » JSF 13-321
