@inproceedings{2ab16f14d2ec4495932e18d414bab562,
title = "A sixth decade of the Ordovician Periodx: status of the research infrastructure of a geological system",
author = "Harper, {David Alexander Taylor}",
year = "2011",
language = "English",
isbn = "978-84-7840-857-3",
series = "Publicaciones del Instituto Geol{\'o}gico y Minero de Espa{\~n}a. Serie: Cuadernos del Museo Geominero",
pages = "3--9",
editor = "Guti{\'e}rrez-Marco, {Juan Carlos} and Isabel R{\'a}bano and Diego Garc{\'i}a-Bellido",
booktitle = "Ordovician of the world",
publisher = "Instituto Geol{\'o}gico y Minero de Espa{\~n}a",
note = "11th International Symposium on the Ordovician System ; Conference date: 09-05-2011 Through 13-05-2011",
}