Fosforita (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Fosforita" in Spanish language version.

refsWebsite

Global rank Spanish rank

4,895^th place

3,283^rd place

1books.google.com

3^rd place

7^th place

books.google.com

Prothero, Donald R. and Schwab, Fred (22 de agosto de 2003). Sedimentary Geology. Macmillan. pp. 265-269. ISBN 978-0-7167-3905-0. Consultado el 15 de diciembre de 2012.

eoearth.org

C.Michael Hogan. 2011. Phosphate. Encyclopedia of Earth. Topic ed. Andy Jorgensen. Ed.-in-Chief C.J.Cleveland. National Council for Science and the Environment. Washington DC