translate English to French: Smith and R. S. Kaufmann, “Long-term discrepancy between food supply and demand in the deep eastern north Pacific”, Science, vol. 284 (1999); H. U. Oebius and others, op.
S. Kaufmann, « Long-term discrepancy between food supply and demand in the deep eastern north Pacific », Science, vol.  284 (1999); H. U. Oebius et autres, op.