Schneider R.J, McNichol A.P, von Reden K.F, Elder K.L, Gagnon A.R, Key R.M, Quay P.D, Schlosser P.M.  2000.  The radiocarbon gradient at the Antarctic Polar Front. AGU Ocean Sciences Meeting. 

Sonnerup R.E, Quay P.D, McNichol A.P, Bullister J.L, Westby T.A, Anderson H.L.  1999.  Reconstructing the oceanic 13C Suess effect. Global Biogeochemical Cycles. 13:857-872.