BARBIERI, F. and F. MEDIOLI. Microfacies of the Windsor group (Mississippian) in the Cogmagun River area (Nova Scotia). Estratto de L'Ateneo Parmense - Acta Naturalia, Vol.VI, Facs.1, 1970. (Parma) : Istituto di Geilogia, Paleontologia e Geografia, Universita di Parma, (1970). Pp [1]-23,(1). Illustrated. 8vo, card covers. Ex-library (inkstamps, blindstamps, bookplate), else very good. 15.00