Kelley, J.T., *Kelley, A.R., Belknap, B.F., *Shipp, R.C., 1986, Variability In the Evolution of Adjacent Bedrock Framed Estuaries in Maine. In Estuarine Variability, D.A. Wolfe (ed.), Academic Press, p. 21-42.
Denton, G.H., Alley, R.B., Comer, G., and Broecker, W.S., 2005, The role of seasonality in abrupt climate change. Quaternary Science Reviews 24, 1159-1182.