Plus Development (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Plus Development" in English language version.

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books.google.com

Welch, Mark J. (1986-06-16). "Plus Unveils 20-Megabyte, Faster Version of Hardcard". InfoWorld. 8 (24). IDG Communications: 13. ISSN 0199-6649. Retrieved 2010-06-30.
Welch, Mark J. (1986-06-16). "Data Storage: Hard Disk, Tape Backup Choices Grow". InfoWorld. 8 (24). IDG Communications: 37–43. ISSN 0199-6649. Retrieved 2010-06-30.
"Plus Acquires a Direct Marketer of Apple Drives". InfoWorld. 12 (49). IDG Communications: 40. 1990-12-03. ISSN 0199-6649. Retrieved 2010-07-03.

Miranker, C.W. (1985-08-18). "Hardcard may be disk drive firm's ace in the hole" (PDF). San Francisco Examiner. Archived from the original (PDF) on 2021-08-02. Retrieved 2010-06-07.
Levy, John (2006-03-16). "Plus Development launch". Computer History Museum. Retrieved 2010-06-07.
Brown, David (2005-07-12). "The Genesis of Plus Development". Computer History Museum. Retrieved 2010-06-07.
Greer, Jonathan (1985-12-23). "Imitators are flooding Quantum's Hardcard market" (PDF). San Jose Mercury News. p. 12E. Retrieved 2010-06-07.

Uttal, Bro (1985-11-25). "The Hard Times in Hard-disk Drives". Fortune. Archived from the original on 2016-04-27.

Miranker, C.W. (1985-08-18). "Hardcard may be disk drive firm's ace in the hole" (PDF). San Francisco Examiner. Archived from the original (PDF) on 2021-08-02. Retrieved 2010-06-07.
Uttal, Bro (1985-11-25). "The Hard Times in Hard-disk Drives". Fortune. Archived from the original on 2016-04-27.

Welch, Mark J. (1986-06-16). "Plus Unveils 20-Megabyte, Faster Version of Hardcard". InfoWorld. 8 (24). IDG Communications: 13. ISSN 0199-6649. Retrieved 2010-06-30.
Welch, Mark J. (1986-06-16). "Data Storage: Hard Disk, Tape Backup Choices Grow". InfoWorld. 8 (24). IDG Communications: 37–43. ISSN 0199-6649. Retrieved 2010-06-30.
"Plus Acquires a Direct Marketer of Apple Drives". InfoWorld. 12 (49). IDG Communications: 40. 1990-12-03. ISSN 0199-6649. Retrieved 2010-07-03.