1. Seafood through time: changes in biomass, energetics, and productivity in the marine ecosystem
2. Barrande, J. 1879.Système silurien du centre de la Bohème, 1ère partie. Recherches Paléontologiques, 5, Classe des Mollusques, Ordre des Brachiopodes226Prague, Paris 153 pls
3. SOME ORDOVICIAN AND SILURIAN BRACHIOPOD ASSEMBLAGES