John Wrench (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "John Wrench" in Portuguese language version.

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  • «Notes» (PDF). Providence, RI: American Mathematical Society. Bulletin of the American Mathematical Society. 45 (5): 349–354. 1939. ISSN 0273-0979. doi:10.1090/S0002-9904-1939-06990-5. Consultado em 20 de setembro de 2012 
  • Shanks, Daniel; John W. Wrench, Jr. (1962). «Calculation of π to 100,000 Decimals». American Mathematical Society. Mathematics of Computation. 16 (77): 76–99. ISSN 0025-5718. JSTOR 2003813. doi:10.2307/2003813 
  • Polachek, Harry; James Tomayko (ed.) (1996). «Anecdotes: Computers vs. the Human Race». Institute of Electrical and Electronic Engineers. IEEE Annals of the History of Computing. 18 (4): 60. ISSN 1058-6180. In order to assure the preservation of this document, I arranged for two clear copies of the output to be printed and specially bound (inscribed in gold letters)—one of which I donated to the Smithsonian Institution in Washington, D.C.; the other I kept. The transfer to the Smithsonian took place at a small ceremony, attended by about 25 invited guests.