Degens, E. T.; Emeis, K. C.; Mycke, B.; Wiesner, M. G. (1986): Turbidites, the principal mechanism yielding black shales in the early deep Atlantic Ocean. Geological Society of London, London, United Kingdom, In: Summerhayes, C. P. (editor), Shackleton, N. J. (editor), North Atlantic palaeoceanography, 21, 361-376, georefid:1987-061740