Color Graphics Adapter (English Wikipedia)

Analog Devices. "Low Cost RGB to NTSC/PAL Encoder with Luma Trap Port" (PDF). p. 14. Retrieved 2020-10-18. A basic problem arises when the luma signal ... contains frequency components that fall within the chroma band.
Analog Devices. "Low Cost RGB to NTSC/PAL Encoder with Luma Trap Port" (PDF). p. 15. Retrieved 2020-10-18. The sharp transitions from black to white ... contain frequency components ..., and those in the chroma band create cross chrominance.

archive.org (Global: 6^th place; English: 6^th place)

Bradley, David J. (September 1990). "The Creation of the IBM PC". BYTE. pp. 414–420. Retrieved 2 April 2016.
Williams, Gregg (January 1982). "A Closer Look at the IBM Personal Computer". BYTE. p. 36. Retrieved 19 October 2013.
Leonard, Jim. "CGA Compatibility Tester reference video". Retrieved 2020-10-14.
Tandy CM-2 Color Monitor Service Manual. p. 48.
Sams&Company ComputerFacts Technical Service Data: Magnavox® Model 7BM613074G - Radio Shack® Model CM11 Monitor. 1988. p. 11.
IBM Personal Computer (PDF) (Technical Reference). IBM Personal Computer Hardware Reference Library (revised ed.). April 1983. p. D-50.
"ibm :: pc :: cards :: Technical Reference Options and Adapters Volume 2 Apr84". The Internet Archive. April 1984. p. 50. Retrieved 2020-01-09.
Windmill Software (1983), Moon Bugs, retrieved 2023-01-06
Curran, Lawrence J.; Shuford, Richard S. (November 1983). "IBM's Estridge". BYTE. pp. 88–97. Retrieved 19 March 2016.

A. Kumar (2002). Encyclopaedia of Management of Computer Hardware. Anmol Publications. p. 1050. ISBN 978-81-261-1030-8.^{[permanent dead link]}
Derfler, Frank J. Jr. (March 1983). "A Program You Can Count On". PC Magazine. Vol. 1, no. 10. p. 187. Retrieved 2013-10-21.
Fastie, Will (June 1983). "The Graphical PC". PC Magazine.
Stark, Craig L. (1984-10-02). "Paradise Graphics Card: It's Easier Being Green". PC Magazine. p. 59. Retrieved 25 October 2013.

International Business Machines Corporation (February 4, 1983). Announcement Letter Number 183-002 - IBM COLOR DISPLAY, 5153.

"The IBM 5153's True CGA Palette and Color Output". VileR. 2022-06-11. Retrieved 2024-05-18.
VileR (Apr 15, 2015). "CGA in 1024 Colors - a New Mode: the Illustrated Guide". Retrieved 2020-10-17. ... CGA palette, as rendered by an early ('old-style') card's composite output
"CGA in 1024 Colors - a New Mode: the Illustrated Guide". int10h.org. Retrieved 2023-01-06.
VileR (2015-04-15). "8088 MPH: CGA in 1024 Colors - a New Mode: the Illustrated Guide". int10h.org. Retrieved 2022-10-15.

IBM CGA manual (PDF). p. 1.
IBM CGA manual (PDF). p. 2.
IBM Personal Computer Hardware Reference Library: IBM Enhanced Color Display (PDF). p. 4.
IBM Color/Graphics Monitor Adapter (PDF) (Technical Reference). IBM Options and Adapters. p. 32.
IBM Color/Graphics Monitor Adapter (PDF). 6361509. IBM. pp. 9, 20 – via IBM Personal Computer Hardware Reference Library.
IBM Enhanced Graphics Adapter (PDF) (Technical Reference). IBM Options and Adapters. August 2, 1984. p. 41.
IBM Color/Graphics Monitor Adapter (PDF) (Technical Reference). IBM Options and Adapters. p. 7.

"1K colours on CGA: How it's done". Reenigne Blog. 2015-04-08. Retrieved 2018-04-27.