Sphericon (Portuguese Wikipedia)

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

refsWebsite

Global rank Portuguese rank

3web.archive.org

1^st place

1^st place

low place

low place

26^th place

65^th place

791^st place

1,001^st place

low place

low place

low place

low place

6^th place

23^rd place

1israel-export.co.il

low place

low place

archive.org (Global: 6^th place; Portuguese: 23^rd place)

Michele Emmer (2005). The Visual Mind II. [S.l.]: MIT Press. pp. 667–685. ISBN 978-0-262-05076-0

csmonitor.com (Global: 791^st place; Portuguese: 1,001^st place)

Boeding, Alan (27 de abril de 1988), «Circle dancing», The Christian Science Monitor

israel-export.co.il (Global: low place; Portuguese: low place)

«"Sphericon Ltd. - Israel-Export" (pdf)» (PDF)

jstor.org (Global: 26^th place; Portuguese: 65^th place)

Stewart, Ian (outubro de 1999). «Mathematical Recreations: Cone with a Twist». Scientific American. 281: 116–117. JSTOR 26058451. Cópia arquivada em 12 de fevereiro de 2019

mathias.org (Global: low place; Portuguese: low place)

Stewart, Ian (outubro de 1999). «Mathematical Recreations: Cone with a Twist». Scientific American. 281: 116–117. JSTOR 26058451. Cópia arquivada em 12 de fevereiro de 2019

pjroberts.com (Global: low place; Portuguese: low place)

Paul J. Roberts (2010). «The Sphericon». Cópia arquivada em 23 de julho de 2012

web.archive.org (Global: 1^st place; Portuguese: 1^st place)

Stewart, Ian (outubro de 1999). «Mathematical Recreations: Cone with a Twist». Scientific American. 281: 116–117. JSTOR 26058451. Cópia arquivada em 12 de fevereiro de 2019
Paul J. Roberts (2010). «The Sphericon». Cópia arquivada em 23 de julho de 2012
A mesh at www.pjroberts.com/sphericon, archived by web.archive.org

wikimedia.org (Global: low place; Portuguese: low place)

commons.wikimedia.org

David Haran Hirsch (1980): "Patent no. 59720: A device for generating a meander motion; Patent drawings; Patent application form; Patent claims