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Laws, E.A.; Letelier, R.M. & Karl, D.M (2014). "Estimating the compensation irradiance in the ocean: The importance of accounting for non-photosynthetic uptake of inorganic carbon". Deep-Sea Research Part I: Oceanographic Research Papers. 93: 35–40. Bibcode:2014DSRI...93...35L. doi:10.1016/j.dsr.2014.07.011.