![](/img/cover-not-exists.png)
The Ordovician-Silurian boundary stratotype: consequences of its approval by the IUGS
PIERRE J. Lespérance, CHRISTOPHER R. Barnes, WILLIAM B. N. Berry, ARTHUR J. Boucot, MU En-zhiVolume:
20
Year:
1987
Language:
english
Pages:
6
DOI:
10.1111/j.1502-3931.1987.tb02040.x
File:
PDF, 497 KB
english, 1987