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Abacus (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Abacus" in Simple English language version.

refsWebsite
Global rank Simple English rank
4worldcat.org
5th place
5th place

worldcat.org

worldcat.org

  • Boyer, Carl B. (1991). A history of mathematics. Uta C. Merzbach (2nd ed. [rev.] ed.). New York: Wiley. ISBN 0-471-54397-7. OCLC 23823042.
  • Instruments of science : an historical encyclopedia. New York: Science Museum, London, and National Museum of American History, Smithsonian Institution, in association with Garland Pub. 1998. ISBN 0-8153-1561-9. OCLC 36817134.

search.worldcat.org

  • Boyer, Carl B. (1991). A history of mathematics. Uta C. Merzbach (2nd ed. [rev.] ed.). New York: Wiley. ISBN 0-471-54397-7. OCLC 23823042.
  • Instruments of science : an historical encyclopedia. New York: Science Museum, London, and National Museum of American History, Smithsonian Institution, in association with Garland Pub. 1998. ISBN 0-8153-1561-9. OCLC 36817134.