1. The Jurassic system in Great Britain;Arkell,1933
2. PlioceneDiscoaster abundance variations, Deep Sea Drilling Project Site 606: biochronology and paleoenvironmental implications;Backman,1986
3. Quantitative biochronology of Pliocene and early Pleistocene calcareous nannofossils from the Atlantic, Indian, and Pacific Oceans;Backman;Mar. Micropaleontol.,1983
4. Magnetostratigraphic and biostratigraphic synthesis, Deep Sea Drilling Project Leg 94;Baldauf,1986
5. The Classification and stratigraphical distribution of the Globigerinacea;Banner;Palaeontology,1959