The nature of biostratigraphic boundaries in the early Middle Jurassic of South West Germany
The nature of biostratigraphic boundaries in the early Middle Jurassic of South West Germany
Ohmert, W.(1999b). The nature of biostratigraphic boundaries in the early Middle Jurassic of South West Germany. – Hall, R. L. & Smith, P. L. (Hrsg.). Advances in Jurassic research 2000, S. 145–152, Zürich (GeoResearch Forum, 6).