@inbook{8fb6b7eb565146d399a56b32e4ccdb33,
title = "Stratigraphic framework and time slices",
author = "Webby, {Barry D.} and Cooper, {Roger A.} and Bergstr{\"o}m, {Stig M.} and Florentin Paris",
year = "2004",
language = "English",
isbn = "0231126786",
series = "Critical moments and perspectives in Earth history and paleobiology",
publisher = "Columbia University Press",
pages = "41--51",
editor = "Webby, {Barry D.} and Florentin Paris and Droser, {Mary L.} and Percival, {Ian G}",
booktitle = "The Great Ordovician biodiversification event",
address = "United States",
}