Swann, G. E., Leng, M. J., Juschus, O., Melles, M., Brigham-Grette, J., & Sloane, H. J. (2010). A combined oxygen and silicon diatom isotope record of Late Quaternary change in Lake El'gygytgyn, North East Siberia. Quaternary Science Reviews, 29(5-6), doi:10.1016/j.quascirev.2009.11.024