K. Davidek, E. Landing, S. A. Bowring, S. R. Westrop, A. W. A. Rushton, R. A. Fortey, J. M. Adrain; New uppermost Cambrian U-Pb date from Avalonian Wales and age of the Cambrian-Ordovician boundary. Geological Magazine ; 135 (3): 305–309. doi:
Download citation file:
Sign In or Create an Account
This PDF is available to Subscribers Only
For full access to this pdf, sign in to an existing account, or purchase an annual subscription.