Sigal, J. (1979): Chronostratigraphy and ecostratigraphy of Cretaceous formations recovered on DSDP Leg 47B, Site 398. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Laughter, F. H. (editor), Fagerberg, E. M. (editor), Sibuet, J. C., Ryan, W. B. F., Arthur, M. A., Barnes, R. O., Habib, D., Iaccarino, S., Johnson, D., Lopatin, B., Maldonado, A., Moore, D. G., Morgan, G. E., Rehault, J. P., Sigal, J., Williams, C. A., Leg 47, Part 2 of the cruises of the drilling vessel Glomar Challenger, Vigo, Spain to Brest, France; April-May 1976, 47, Part 2, 287-326, georefid:1980-017108