Author M.-P. Aubry J. Van Covering N. Christie-Blick E. Landing B. Pratt D. Owen Ferrusqu\ ia-Villafranca Aubry, M.-P., Van Covering, J., Christie-Blick, N., Landing, E., Pratt, B., Owen, D., ia-Villafranca, Ferrusqu\, 2009. Terminology of Geological Time: Establishment of a Community Standard. Stratigraphy 6, 100-105.
