VisiCalc (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "VisiCalc" in Japanese language version.

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atarimagazines.com (Global: 9,786^th place; Japanese: low place)

“VisiCalc: User-Defined Problem Solving Package”. The Intelligent Machine Journal (InfoWorld Media Group) 1 (9): p. 22. (June 11, 1979). ISSN 0199-6649. . "The formal introduction of VisiCalc is scheduled for the National Computer Conference, being held June 4–7, in New York City."

Hormby, Tom (2006年9月25日). “VisiCalc and the rise of the Apple II”. Low End Mac. 2007年3月2日閲覧.
Coventry, Joshua (2006年11月2日). “Interview with Dan Bricklin, Inventor of the Electronic Spreadsheet”. Low End Mac. 2007年3月2日閲覧。

“VisiCalc: User-Defined Problem Solving Package”. The Intelligent Machine Journal (InfoWorld Media Group) 1 (9): p. 22. (June 11, 1979). ISSN 0199-6649. . "The formal introduction of VisiCalc is scheduled for the National Computer Conference, being held June 4–7, in New York City."