Palynological Divisions of the Upper Westphalian and the Westphalian-Stephanian boundary; Report and Synthsis of Project a of The3 Rd C.I.M.P. Meeting on Paleozoic Stratigraphy. (In: Colloqium on the Stratigraphy of the Carboniferous, Compte Rendus, 8th Reunion CIMP. M.Streel and R.H.Wagner, editors)
Foreign title:
Les Divisions palynologiques du Westphalien Superieur et la limite Westphalien-Stephanien (Rapport et Synthese du Prjet a du 3E S Eminaire C.I.M.P. sur la stratigraphe du Pa Leozoique).