Footnote cf

^cfSee Smethie and Fine 2001; Smethie et al. 2000.

Smethie, W.M., Jr., and R.A. Fine. 2001. Rates of North Atlantic Deep Water formation calculated from chlorofluorocarbon inventories. Deep-Sea Res. I, 48:189-215.

Smethie, W.M., Jr., R.A. Fine, A. Putzka and E.P. Jones. 2000. Tracing the flow of North Atlantic Deep Water using chlorofluorocarbons. J. Geophys. Res., 105(C6):14297-14323.