Old Red Sandstone (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Old Red Sandstone" in Catalan language version.

refsWebsite

Global rank Catalan rank

8,970^th place

6,152^nd place

6,375^th place

3,372^nd place

low place

1^st place

low place

bgs.ac.uk

Barclay, W.J.. The Old Red Sandstone of Great Britain. City: Joint Nature Conservation Committee (JNCC), 2005. ISBN 1-86107-543-X. Arxivat 2010-10-13 a Wayback Machine.

Keith Montgomery. «Siccar Point and Teaching the History of Geology» (pdf). University of Wisconsin, 2003. [Consulta: 26 març 2008].

Barclay, W.J.. The Old Red Sandstone of Great Britain. City: Joint Nature Conservation Committee (JNCC), 2005. ISBN 1-86107-543-X. Arxivat 2010-10-13 a Wayback Machine.