Age and diagenesis of the upper Floridan aquifer and the intermediate aquifer system in southwestern Florida / L.McCartan,S.D.Weedman,G.L.Wingard и др., 1995. - 26 p. - Текст : непосредственный.
Wingard G.L. A detailed taxonomy of Upper Cretaceous and Lower Tertiary Crassatellidae in the eastern United States: an example of the nature of extinction at the boundary / G.L.Wingard, 1993. - 131 p. - Текст : непосредственный.