Conodont biostratigraphy and depositional history of the middle Devonian to lower carboniferous in the Cantabrian Zone, Cantabrian Mountains, Spain - Raven, Johannes Gerardus Maria Raven (1983)
Zugl.: Leiden, Univ., Diss., 1983. - Aus: Leidse geologische mededelingen ; 52. 1981/83