Joc del 15 (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Joc del 15" in Catalan language version.

refsWebsite

Global rank Catalan rank

low place

48^th place

1librosmaravillosos.com

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2,158^th place

4,296^th place

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5^th place

doi.org

dx.doi.org

Johnson, Wm. Woolsey; Story, William E. «Notes on the "15" Puzzle». American Journal of Mathematics, 2, 4, 1879, p. 397–404. DOI: 10.2307/2369492. ISSN: 0002-9327.

google.cat

books.google.cat

Jerry Slocum; Dic Sonneveld The 15 Puzzle: How it Drove the World Crazy; the Puzzle that Started the Craze of 1880; how Amercia's Greatest Puzzle Designer, Sam Loyd, Fooled Everyone for 115 Years. Slocum Puzzle Foundation, 2006. ISBN 978-1-890980-15-3.

librosmaravillosos.com

Perelman, Yákov, Matemàtiques recreatives (1959). Editorial Progrés.

worldcat.org

Johnson, Wm. Woolsey; Story, William E. «Notes on the "15" Puzzle». American Journal of Mathematics, 2, 4, 1879, p. 397–404. DOI: 10.2307/2369492. ISSN: 0002-9327.

xs4all.nl

hc11.home.xs4all.nl

«The history of the 15 puzzle» (en anglès). [Consulta: 27 febrer 2016].

xtec.cat

«El joc del quinze | XTEC». [Consulta: 27 febrer 2016].