Nemožný trojzubec (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Nemožný trojzubec" in Czech language version.

refsWebsite

Global rank Czech rank

2researchgate.net

120^th place

103^rd place

2books.google.com

3^rd place

25^th place

6^th place

10^th place

513^th place

378^th place

1im-possible.info

low place

low place

1madcoversite.com

low place

low place

1freepatentsonline.com

5,449^th place

5,969^th place

archive.org

COLMAN, Andrew. A Dictionary of Psychology. 3. vyd. [s.l.]: Oxford University Press, 2009. Dostupné online. ISBN 0-19-953406-3. S. 369.

books.google.com

William Perl,"Blivet or Not", The Journal of Biological Psychology, 1969
Science, Sex, and Sacred Cows: Spoofs on Science from the Worm Runner's Digest, 1971, pp. 91-93

freepatentsonline.com

Hole location gauge - Patent 2998656 [online]. [cit. 2023-07-02]. Dostupné online. (anglicky)

im-possible.info

The Eye Beguiled [online]. [cit. 2023-07-02]. Dostupné online. (anglicky)

madcoversite.com

Doug Gilford's Mad Cover Site - Mad #93 [online]. [cit. 2023-07-02]. Dostupné online. (anglicky)

researchgate.net

Brooks Masterton, John M. Kennedy, "Building the Devil's Tuning Fork", Perception, 1975, vol. 4, pp. 107-109
Schuster, D. H., "A New Ambiguous Figure: A Three-Stick Clevis." Amer. J. Psychol. vol. 77, 1964, p.673, .

wolfram.com

mathworld.wolfram.com

Article "Impossible Fork" v MathWorld