See Snyders, Jan (January 1982). "Programmer Aids Increase Productivity". Computer Decisions. p. 38. ProQuest196846127 – via ProQuest., which implies it was either released in 1981 or this particular customer was a beta user. See also "Introducing Mark V (TM) for CICS users". Computerworld. March 5, 1984. p. 57., an advertisement that refers to Mark V for IMS having come out two years prior.
"Gray promoted in advertising". The Index-Journal. Greenwood, South Carolina. February 24, 1985. p. 6C – via Newspapers.com. See also many classified display ads for positions at Business Management Systems placed in The Atlanta Constitution.
See Snyders, Jan (January 1982). "Programmer Aids Increase Productivity". Computer Decisions. p. 38. ProQuest196846127 – via ProQuest., which implies it was either released in 1981 or this particular customer was a beta user. See also "Introducing Mark V (TM) for CICS users". Computerworld. March 5, 1984. p. 57., an advertisement that refers to Mark V for IMS having come out two years prior.
"Informatics". Computer History Museum. 2007. Archived from the original on July 5, 2009. Retrieved June 2, 2009.
Bauer, Walter F. (September 20, 1983). A Presentation Before the New York Society of Security Analysts. Informatics General Corporation. p. 19. See this U.S. Army Center of Military History page for the explanation of Project VIABLE.