N. Bonde
Geological Institute, University of Copenhagen
Bonde N., and Christiansen P., 2003, The detailed anatomy of Rhamphorhyhchus: axial pneumaticity and its implications: In: Evolution and Palaeobiology of Pterosaurs, edited by Buffetaut, E., and Mazin, J.-M., Geological Society Special Publication, n. 217, p. 217-232.
Bonde, N., 2004, An Early Cretaceous (Ryazanian) fauna of "Purbeck-Wealden type" at Robbedale, Bornholm, Denmark: In: Mesozoic Fishes 3 -- Systematics, paleoenvironments and biodiversity, edited by Arratia G., and Tintori, A., Verlag Dr. Friedrich Pfeil, p. 507-528.