Ocean deoxygenation: Past, present, and future, Huey Raymond B, Falkowski Paul G, Algeo Thomas, Codispoti Lou, Deutsch Curtis, Emerson Steven, Hales Burke, Jenkins William J, Kump Lee R, Levin Lisa A, and Lyons Timothy W, Eos, Transactions American Geophysical Union, 2011, Volume 92, Issue 46, p.409 (2011)