Ren, H., A.S. Studer, S. Serno, D.M. Sigman, G. Winckler, R.F. Anderson, S. Oleynik, R. Gersonde, and G.H. Haug. 2015. “Glacial-to-Interglacial Changes in Nitrate Supply and Consumption in the Subarctic North Pacific from Microfossil-Bound N Isotopes at Two Trophic Levels”. Paleoceanography 30. Blackwell Publishing Ltd: 1217-32. doi:10.1002/2014PA002765.