Bertler, N.A.N., Mayewski, P.A. and Carter, L., 2011, Cold conditions in Antarctica during the Little Ice Age – Implications for abrupt climate change mechanisms, Earth and Planetary Science Letters 308, 41-51.
Hou, S., Qin, D., Zhang, D., Kang, S., Mayewski, P.A., and Wake, C.P.. 2003. A 154m high-resolution ammonium record from the Rongbuk Glacier, north slope of Mt. Qomolangma (Everest), Tibet-Himal region. Atmospheric Environment, 37(5): 721-729.