Schaule, B. K. and Patterson, C. C., 1981. Lead concentrations in the Northeast Pacific: evidence for global anthropogenic perturbations. Earth Planet. Sci. Lett., 54: 97-116.
Schaule, B. K. and Patterson, C. C., 1983. Perturbations of the natural lead depth profile in the Sargasso Sea by industrial lead. In Trace Metals in Seawater, C. S. Wong, E. Boyle, K. W. Bruland, J. D. Burton and E. D. Goldberg, eds., Plenum.
Wu J. F. and Boyle E. A. (1997) Lead in the western North Alantic Ocean: completed response to leaded gasoline phaseout. Geochim. Cosmochim. Acta. 61, 61:3279-3283.