Transitional Beds between the Devonian and Carboniferous of Hook Head, (Ireland), and at Bohlen, (DDR). (In: Colloqium on the Stratigraphy of the Carboniferous, Compte Rendus, 8th Reunion CIMP. M.Streel and R.H.Wagner, editors)
Foreign title:
Les couches de Passage du Devonian au Carbonifere de Hook Head (Irlande) au Bohlen (D.D.R.)