Kujawinski, E. B., Longnecker, K., Blough, N. V., Vecchio, R. D., Finlay, L., Kitner, J. B., & Giovannoni, S. J. (2009). Identification of possible source markers in marine dissolved organic matter using ultrahigh resolution mass spectrometry. Geochimica et Cosmochimica Acta, 73(15), 4384–4399. https://doi.org/10.1016/j.gca.2009.04.033