Tempo próprio (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Tempo próprio" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

1books.google.com

3^rd place

6^th place

books.google.com

Hawley, John F.; Holcomb, J Katherine A. (2005). Foundations of Modern Cosmology illustrated ed. [S.l.]: Oxford University Press. p. 204. ISBN 978-0-19-853096-1 Extract of page 204