Whatley, Robin C.; Coles, Graham P. (1990): Global change and the biostratigraphy of North Atlantic Cainozoic deep water Ostracoda. British Micropalaeontological Society, London, United Kingdom, In: Funnell, Brian M. (prefacer), Cenozoic biostratigraphy and global change, 9, Part 2, 119-132, georefid:1991-030245