Timofeev, P. P.; Bogolyubova, L. I. (1979): Black shales of the Bay of Biscay and conditions of their formation, Deep Sea Drilling Project Leg 48, holes 400A, 402A. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Montadert, L., Roberts, D. G., Auffret, G. A., Bock, W. D., Dupeuble, P. A., Hailwood, E. A., Harrison, W. E., Kagami, H., Lumsden, D. N., Muller, C. M., Schnitker, D., Thompson, R. W., Thompson, T. L., Timofeev, P. P., Usher, J. L. (editor), Initial reports of the Deep Sea Drilling Project covering Leg 48 of the cruises of the Drilling Vessel Glomar Challenger, Brest, France to Aberdeen, Scotland, May-July, 1976, 48, 831-853, georefid:1981-006431