Duell (game) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Duell (game)" in English language version.

refsWebsite

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archive.org

"GAMES Magazine #2". November 1977.
"Games and Puzzles May 1976: Issue 48". Internet Archive. 25 March 2023. Retrieved 4 April 2023.

worldcat.org

worldcat.org

Pritchard, David (2007). The classified encyclopedia of chess variants. John Beasley (editor) (2nd ed.). p. 294. ISBN 978-0-9555168-0-1. OCLC 225581479.

search.worldcat.org

Pritchard, David (2007). The classified encyclopedia of chess variants. John Beasley (editor) (2nd ed.). p. 294. ISBN 978-0-9555168-0-1. OCLC 225581479.