Mae'r cynnwys hwn ar gael yn Saesneg yn unig.
Presented by Rhys Davies, Cardiff University. This seminar is part of the Cardiff WISERD Lunchtime Seminar series. If you are an external guest, please contact us (029 2087 9338) to confirm availability of places. For further information please contact WISERD.Events@cardiff.ac.uk
This seminar will be held through the medium of English.