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Z-80 SoftCard (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Z-80 SoftCard" in Japanese language version.

refsWebsite
Global rank Japanese rank
6books.google.com
3rd place
61st place
6worldcat.org
5th place
19th place
4archive.org
6th place
146th place
1apple2.org.za
low place
low place
1youtube.com
9th place
8th place
1wikipedia.org
low place
low place
1ghostarchive.org
32nd place
1,753rd place

apple2.org.za

mirrors.apple2.org.za

archive.org

  • Lock, Robert (May–June 1980). “An Apple Breakthru”. Compute! (Small Systems Services) (4): p. 6. ISSN 0194-357X. OCLC 637460999. https://archive.org/stream/1980-05-compute-magazine/Compute_Issue_004_1980_May_Jun#page/n7/mode/2up October 25, 2013閲覧。 
  • Freiberger, Paul; Swaine, Michael (2000). Fire in the Valley: The Making of the Personal Computer. New York, NY: McGraw-Hill. p. 329. ISBN 0-07-135892-7. https://archive.org/details/fireinvalleymaki00frei_0/page/329. "They brought in Tim Paterson of Seattle Computer Products, located across Lake Washington, to try to build a card for the Apple that would let it run Microsoft's 8080 and Z80 software. They called it the SoftCard. Paterson did a series of prototypes before Don Burdis took over the project." 
  • Pelczarski, Mark (November 1981). “Microsoft Softcard”. BYTE: 152–162. https://archive.org/stream/byte-magazine-1981-11/1981_11_BYTE_06-11_Data_Base_Management_Systems#page/n153/mode/2up October 19, 2013閲覧。. 
  • Markoff, John (May 1984). “The Apple IIc Personal Computer”. BYTE: 282. https://archive.org/stream/byte-magazine-1984-05/1984_05_BYTE_09-05_Computers_and_the_Professions#page/n283/mode/2up October 23, 2013閲覧。. 

books.google.com

ghostarchive.org

wikipedia.org

en.wikipedia.org

worldcat.org

search.worldcat.org

  • Lock, Robert (May–June 1980). “An Apple Breakthru”. Compute! (Small Systems Services) (4): p. 6. ISSN 0194-357X. OCLC 637460999. https://archive.org/stream/1980-05-compute-magazine/Compute_Issue_004_1980_May_Jun#page/n7/mode/2up October 25, 2013閲覧。 
  • “Z-80 Board Puts CP/M on Apple”. InfoWorld (Popular Computing) 2 (6): 3. (April 28, 1980). ISSN 0199-6649. https://books.google.com/books?id=Wj4EAAAAMBAJ&pg=PT2. 
  • Hogan, Thom (March 3, 1981). “Microsoft's Z80 SoftCard”. InfoWorld (Popular Computing) 3 (4): 20–21. ISSN 0199-6649. https://books.google.com/books?id=jT4EAAAAMBAJ&pg=PT14. 
  • “Seminar Spills Negotiating Secrets”. InfoWorld (Popular Computing) 2 (21): 24. (November 24, 1980). ISSN 0199-6649. https://books.google.com/books?id=mT4EAAAAMBAJ&pg=PT23. "Unsure of the demand for the product, Microsoft took a prototype to the last West Coast Computer Faire" 
  • Raburn, Vern (October 20, 1980). “Letters: Developed by Microsoft”. Computerworld 14 (43): 37. ISSN 0010-4841. https://books.google.com/books?id=1Um4zkCCo38C&pg=PA37. "It was one of the founders of Microsoft, Paul Allen, who hit upon the idea of putting a Z80 processor into the Apple." 

worldcat.org

  • Lock, Robert (May–June 1980). “An Apple Breakthru”. Compute! (Small Systems Services) (4): p. 6. ISSN 0194-357X. OCLC 637460999. https://archive.org/stream/1980-05-compute-magazine/Compute_Issue_004_1980_May_Jun#page/n7/mode/2up October 25, 2013閲覧。 

youtube.com