Footnote es

^esSee Anderson and Jones 1991; Anderson et al. 1991.

Anderson, L.G. and E.P. Jones. 1991. The transport of CO₂ into Arctic and Antarctic seas: Similarities and differences in the driving processes. J. Mar. Sys., 2:81-95.

Anderson L.G., O. Holby, R. Lindegrenand M. Ohlson. 1991. The transport of anthropogenic carbon dioxide into the Weddell Sea. J. Geophys. Res., 96:16679-16687.