بثی‌اسفیر (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "بثی‌اسفیر" in Persian language version.

refsWebsite

Global rank Persian rank

6^th place

9^th place

archive.org

Welker, Robert H. (1976). Natural Man: The Life of William Beebe. Indiana University Press. ISBN 0-253-33975-8.
Matsen, B (2005). Descent - The Heroic Discovery of the Abyss. Pantheon Books. ISBN 1-4000-7501-7.