@article {5250,
	title = {Stratigraphy, age, and flora of the Southport forest bed, Southeastern Wisconsin. },
	journal = {Journal of Great Lakes},
	volume = {35},
	year = {2009},
	chapter = {538},
	author = {Schneider, A.F. and Leavitt, S.W. and Lange, T.}
}
@article {5234,
	title = {Radiocarbon {\textquotedblleft}wiggles{\textquotedblright} in Great Lakes wood ca. 10,000 to 12,000 BP},
	journal = {Radiocarbon},
	volume = {49},
	year = {2007},
	chapter = {855},
	author = {Leavitt, S.W. and Panyushkina, I.P. and Lange, T. and Cheng, L. and Schneider, A.F. and Hughes, J.}
}
@article {5232,
	title = {Climate in the Great Lakes region between 14,000 and 4,000 years ago from isotopic composition of conifer wood},
	journal = {Radiocarbon},
	volume = {48},
	year = {2006},
	chapter = {205},
	author = {Leavitt, S.W. and Panyushkina, I.P and Lange, T. and Wiedenhoeft, A. and Cheng, L. and Hunter, R.D.}
}
