Chitinozoan biozonation in the upper Katian and Hirnantian of the Welsh Basin, UK

Autor: Challands, T.J., Vandenbroucke, T.R.A., Armstrong, H.A., Davies, J.R.
Zdroj: In Review of Palaeobotany and Palynology November 2014 210:1-21
Databáze: ScienceDirect