Varentsov, I. M. (1979): The geochemistry of heavy metals in upper Cenozoic sediments near the crest of the Mid-Atlantic Ridge, latitude 23 degrees N, drilled on DSDP Leg 45. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Melson, W. G., Rabinowitz, P. D., Bougault, H., Fuji, T., Graham, A. L., Johnson, H. P., Natland, J. H., Prosser, E. C., Rhodes, J. M., Zolotarev, B. P., Initial reports of the Deep Sea Drilling Project Leg 45; San Juan, Puerto Rico to San Juan, Puerto Rico, 45, 349-377, georefid:1979-013281