Author: Wood, E.M.R., 1900.:
Title: The Lower Ludlow Formation and its graptolite-fauna.
Description: Quart. Jour. Geol. Soc. London, 56: pp. 415-492, 1 fold. map, 22 figs. on 1 plate, 2 fold. tables, 27 figs. in text, notes & refs. Plain new wrappers.

Keywords: