Lawrence, K.T., D.M. Sigman, T.D. Herbert, C.A. Riihimaki, C.T. Bolton, A. Martínez-García, A. Rosell-Mele, and G.H. Haug. 2013. “Time-Transgressive North Atlantic Productivity Changes Upon Northern Hemisphere Glaciation”. Paleoceanography 28: 740-51. doi:10.1002/2013PA002546.

Leichliter, J.N., T. Lüdecke, A.D. Foreman, N. Bourgon, N.N. Duprey, H. Vonhof, V. Souksavatdy, et al. 2023. “Tooth Enamel Nitrogen Isotope Composition Records Trophic Position: A Tool for Reconstructing Food Webs”. Communications Biology 6. doi:10.1038/s42003-023-04744-y.

Choisnard, N., N.N. Duprey, T. Wald, M. Thibault, F. Houlbrèque, A.D. Foreman, P. Cuet, et al. 2024. “Tracing the Fate of Seabird-Derived Nitrogen in a Coral Reef Using Nitrate and Coral Skeleton Nitrogen Isotopes”. Limnology and Oceanography. John Wiley and Sons Inc. doi:10.1002/lno.12485.

Granger, R., S.M. Smart, A. Foreman, A. Auderset, E.C. Campbell, T.A. Marshall, G.H. Haug, D.M. Sigman, A. Martínez-García, and S.E. Fawcett. 2024. “Tracking Agulhas Leakage in the South Atlantic Using Modern Planktic Foraminifera Nitrogen Isotopes”. Geochemistry, Geophysics, Geosystems 25. John Wiley and Sons Inc. doi:10.1029/2023GC011190.

Kaiser, J., M.G. Hastings, B.Z. Houlton, T. Röckmann, and D.M. Sigman. 2007. “Triple Oxygen Isotope Analysis of Nitrate Using the Denitrifier Method and Thermal Decomposition of N2O”. Analytical Chemistry 79: 599-607. doi:10.1021/ac061022s.

Marconi, D., D.M. Sigman, K.L. Casciotti, E.C. Campbell, Alexandra Weigand, S.E. Fawcett, A.N. Knapp, P.A. Rafter, B.B. Ward, and G.H. Haug. 2017. “Tropical Dominance of N2 Fixation in the North Atlantic Ocean”. Global Biogeochemical Cycles 31. Blackwell Publishing Ltd: 1608-23. doi:10.1002/2016GB005613.

Jaccard, S.L., C.T. Hayes, A. Martínez-García, D.A. Hodell, R.F. Anderson, D.M. Sigman, and G.H. Haug. 2013. “Two Modes of Change in Southern Ocean Productivity over the past Million Years”. Science 339. American Association for the Advancement of Science: 1419-23. doi:10.1126/science.1227545.