Reviewed:

• Gruber, N. and C.D. Keeling. Seasonal carbon cycling in the Sargasso Sea near Bermuda. Scripps Institution of Oceanography Bulletin, 30, Univ. Calif. Press, Berkeley, 98pp. 1999.
  
  
• Gruber, N., C.D. Keeling, R. B. Bacastow, P. R. Guenther, T. J. Lueker, M. Wahlen, H. A. J. Meijer, W. G. Mook and T.F. Stocker, Spatiotemporal patterns of carbon-13 in the global surface oceans and the oceanic Suess effect. Global Biogeochemical Cycles, 13, 307-335, 1999.
  (PDF-Version of text) (PDF-Version of figures)
  
  
• Broecker, W.S., J. Lynch-Stieglitz, D. Archer, M. Hofmann, E. Maier-Reimer, O. Marchal, T. Stocker, and N. Gruber, How strong is the Harvardton-Bear constraint? Global Biogeochemical Cycles, 13, 817-820, 1999.
  [PDF-Version (1.0MB)]
  

Others:

• Gruber, N., and C.D. Keeling, The isotopic air-sea disequilibrium and the oceanic uptake of CO2, Proceedings of the 2nd International Symposium CO2 in the oceans , NIS, Tsukuba, Japan, CGER-I037, 245-250, 1999.