1. Emerson, S.et al. Nature 389, 951–954 (1997).
2. Broecker, W. S. & Peng, T.-H. Tracers in the Sea (Eldigio, Columbia Univ., Palisades, NY, 1982).
3. Michaels, A. F., Bates, N. R., Buesseler, K. O., Carlson, C. A. & Knap, A. H. Nature 372, 537–540 (1994).
4. Martin, J. H., Knauer, G. A., Karl, D. M. & Broenkow, W. W. Deep-Sea Res. 34, 267–285 (1987).
5. Gardner, W. D. Rep. JGOFS Symp.
http://www.ocean.tamu.edu/JGOFS/contents.html
(1995).