A study, by Christopher Ellis, of Debert style fluted points from the Debert Site in Nova Scotia and a comparison with other fluted point styles in the Northeast. From the Journal of Canadian Archaeology(2004).
From the above article, this highly illustrative demonstration of the changing morphology of fluted points as a result of tip resharpening and rebasing:

From the above article, this highly illustrative demonstration of the changing morphology of fluted points as a result of tip resharpening and rebasing:
