Klerksdorp sphere (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Klerksdorp sphere" in English language version.

refsWebsite

Global rank English rank

3web.archive.org

1^st place

1^st place

2researchgate.net

120^th place

125^th place

1virtuescience.com

low place

low place

low place

low place

researchgate.net

Cairncross, B., 1988, "Cosmic cannonballs" a rational explanation: The South African Lapidary Magazine. v. 30, no. 1, pp. 4–6. (Full text via ResearchGate.)
Heinrich, P.V., 2008, The Mysterious "Spheres" of Ottosdal, South Africa. National Center for Science Education Reports, v. 28, no. 1, pp. 28–33.[1]

virtuescience.com

Barton, J., nd, The Grooved Spheres Archived 2020-08-06 at the Wayback Machine: Mysteries of the World web site

web.archive.org

Barton, J., nd, The Grooved Spheres Archived 2020-08-06 at the Wayback Machine: Mysteries of the World web site
"Psybertronist", nd, A balanced and concentric ringed mystery spheroid as purportedly anomalous "out-of-place artifacts" Archived 2008-12-03 at the Wayback Machine
Lanham, A., 2004, archive.org: New horizons for Wonderstone, Mining Weekly, December 3, 2004.

webtv.net

community-2.webtv.net

"Psybertronist", nd, A balanced and concentric ringed mystery spheroid as purportedly anomalous "out-of-place artifacts" Archived 2008-12-03 at the Wayback Machine