1. A sporomorph ecogroup model for the Northwest European Jurassic - Lower Cretaceousi: concepts and framework;Abbink;Neth. J. Geosci.,2004
2. A bloom of Tympanicysta Balme (green algae of zygnematalean affinities) at the Permian-Triassic boundary;Afonin;Geodiversitas,2001
3. Anomalous Early Triassic sediment fluxes due to elevated weathering rates and their biological consequences;Algeo;Geology,2010
4. Palynology of Permian-Triassic boundary beds at Kap Stosch;Balme;East Greenland. Medd. Grønl.,1980
5. Fossil in situ spores and pollen grains: an annotated catalogue;Balme;Rev. Palaeobot. Palynol.,1995