1. Late Jurassic to earliest Cretaceous palaeoclimatic evolution of the southern North Sea.;Abbink O.;Global and Planetary Change,2001
2. Agassiz, L. 1847: An introduction to the study of natural history, in a series of lectures delievered in the Hall of the College of Physicians and Surgeons. New York, 58 pp.
3. Space and time in brachiopod history.;Ager D.V.;Geological Journal Special Issue,1971
4. The Berriasian/Valanginian boundary in the Mediterranean region: new data from the Caravaca and Cehegín sections, SE Spain.;Aguado R.;Cretaceous Research,2000
5. Alsen P. & Surlyk F. 2004: Deep marine redbeds of the Valanginian–Hauterivian (Lower Cretaceous) of East Greenland: palaeooceanographic implications. 32th International geological congress Firenze 20–28 August 2004 Abstract Volume 1 abs. 121–20 575.