@book{145510,
	author = {Poag, C. Wylie. and Ward, Lauck W.},
	title = {Allostratigraphy of the U.S. Middle Atlantic continental margin--characteristics, distribution, and depositional history of principal unconformity-bounded Upper Cretaceous and Cenozoic sedimentary units},
	publisher = {U.S. G.P.O.},
	year = {1993.},
	series = {U.S. Geological Survey professional paper},
	address = {Washington}
}