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References
- ↑ Pountain, Dick (January 1985). "The Amstrad CPC 464". BYTE. Vol. 10, no. 1. UBM Technology Group. p. 401. ISSN 0360-5280. OCLC 637876171 . Retrieved 9 January 2015.
- ↑ Markoff, John (June 28, 1982). "Card lets you run CP/M on Apple III". InfoWorld. 4 (25). IDG: 1, 5. ISSN 0199-6649. OCLC 1105237334.
- ↑ "Softcard III". Apple III Dimensions. 1 (3). c. 1982. Archived from the original on 27 June 2019.
- ↑ "Basis 108". A2Clones.com. Archived from the original on 11 March 2018.
- ↑ "Cifer Plc - Company - Computing History". www.computinghistory.org.uk. Retrieved 2021-09-16.
- ↑ Dillon, Roberto (2014). Ready: A Commodore 64 Retrospective. Springer. pp. 25–26. ISBN 978-9812873415. OCLC 897466532.
- ↑ Libes, Sol (December 1981). "Bytelines". BYTE. 6 (12). UBM Technology Group: 314–318. ISSN 0360-5280. OCLC 637876171 . Retrieved 29 January 2015.
- ↑ "RC 700 Piccolo Regnecentralen".
- ↑ "RC 750 Partner Regnecentralen".
- ↑ "RC759 Piccoline Regnecentralen".
- ↑ Old Computers Museum description retrieved 2008 March 25
- ↑ Computer History Museum. "Sperry Univac UTS 40 system". computerhistory.org. Archived from the original on April 4, 2018.
