Authors Year Title
Titus, Webster & Manger 1997 Biostratigraphic analysis of the Mid-Carboniferous boundary at the South Syncline Ridge section, Nevada Test Side, Nevada, United States.
Proceedings of the 13th International Congress on the Carboniferous and Permian, Prace Panstwowego Institutu geologicznego,157:207-212,1 pl., 3 figs.