Penrose triangle (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Penrose triangle" in English language version.

refsWebsite

Global rank English rank

5doi.org

2^nd place

2nih.gov

4^th place

1semanticscholar.org

11^th place

8^th place

1maplesoft.com

low place

1wa.gov.au

low place

1jstor.org

26^th place

20^th place

1mathe-werkstatt.de

low place

1zhurnalko.net

low place

doi.org (Global: 2^nd place; English: 2^nd place)

Brouwer, James R.; Rubin, David C. (June 1979). "A simple design for an impossible triangle". Perception. 8 (3): 349–350. doi:10.1068/p080349. PMID 534162. S2CID 41895719.
Zeng, Zhenbing; Xu, Yaochen; Yang, Zhengfeng; Li, Zhi-bin (2021). "An isometric embedding of the impossible triangle into the Euclidean space of lowest dimension" (PDF). In Corless, Robert M.; Gerhard, Jürgen; Kotsireas, Ilias S. (eds.). Maple in Mathematics Education and Research: 4th Maple Conference, MC 2020, Waterloo, Ontario, Canada, November 2–6, 2020, Revised Selected Papers. Communications in Computer and Information Science. Vol. 1414. Springer International Publishing. pp. 438–457. doi:10.1007/978-3-030-81698-8_29. ISBN 978-3-030-81698-8.
Penrose, L. S.; Penrose, R. (February 1958). "Impossible objects: a special type of visual illusion". British Journal of Psychology. 49 (1): 31–33. doi:10.1111/j.2044-8295.1958.tb00634.x. PMID 13536303.
Francis, George K. (1988). "Chapter 4: The impossible tribar". A Topological Picturebook. Springer. pp. 65–76. doi:10.1007/978-0-387-68120-7_4. ISBN 0-387-96426-6. See in particular p. 68, where Francis attributes this observation to John Stillwell.
Gardner, Martin (August 1978). "Mathematical Games: A Möbius band has a finite thickness, and so it is actually a twisted prism". Scientific American. 239 (2): 18–26. doi:10.1038/scientificamerican1278-18. JSTOR 24960346.

jstor.org (Global: 26^th place; English: 20^th place)

Gardner, Martin (August 1978). "Mathematical Games: A Möbius band has a finite thickness, and so it is actually a twisted prism". Scientific American. 239 (2): 18–26. doi:10.1038/scientificamerican1278-18. JSTOR 24960346.

maplesoft.com (Global: low place; English: low place)

Zeng, Zhenbing; Xu, Yaochen; Yang, Zhengfeng; Li, Zhi-bin (2021). "An isometric embedding of the impossible triangle into the Euclidean space of lowest dimension" (PDF). In Corless, Robert M.; Gerhard, Jürgen; Kotsireas, Ilias S. (eds.). Maple in Mathematics Education and Research: 4th Maple Conference, MC 2020, Waterloo, Ontario, Canada, November 2–6, 2020, Revised Selected Papers. Communications in Computer and Information Science. Vol. 1414. Springer International Publishing. pp. 438–457. doi:10.1007/978-3-030-81698-8_29. ISBN 978-3-030-81698-8.

mathe-werkstatt.de (Global: low place; English: low place)

Unmögliche Figuren (Escher) in mathe-werkstatt.de (based on the creation of Escher's figures)

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Brouwer, James R.; Rubin, David C. (June 1979). "A simple design for an impossible triangle". Perception. 8 (3): 349–350. doi:10.1068/p080349. PMID 534162. S2CID 41895719.
Penrose, L. S.; Penrose, R. (February 1958). "Impossible objects: a special type of visual illusion". British Journal of Psychology. 49 (1): 31–33. doi:10.1111/j.2044-8295.1958.tb00634.x. PMID 13536303.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Brouwer, James R.; Rubin, David C. (June 1979). "A simple design for an impossible triangle". Perception. 8 (3): 349–350. doi:10.1068/p080349. PMID 534162. S2CID 41895719.

wa.gov.au (Global: low place; English: low place)

"Unveiling of East Perth redevelopment's latest piece of public art". Government of West Australia. 5 November 1999. Retrieved 2025-05-09.

zhurnalko.net (Global: low place; English: low place)

Федоров, Ю. (1972). "Невозможное-Возможно". Техника Молодежи (in Russian). 4: 20–21.

Penrose triangle (English Wikipedia)

doi.org (Global: 2nd place; English: 2nd place)

jstor.org (Global: 26th place; English: 20th place)

maplesoft.com (Global: low place; English: low place)

mathe-werkstatt.de (Global: low place; English: low place)

nih.gov (Global: 4th place; English: 4th place)

pubmed.ncbi.nlm.nih.gov

semanticscholar.org (Global: 11th place; English: 8th place)

api.semanticscholar.org

wa.gov.au (Global: low place; English: low place)

zhurnalko.net (Global: low place; English: low place)

doi.org (Global: 2^nd place; English: 2^nd place)

jstor.org (Global: 26^th place; English: 20^th place)

nih.gov (Global: 4^th place; English: 4^th place)

semanticscholar.org (Global: 11^th place; English: 8^th place)