Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page IBM AIX:

"
  • AIX RT v2.2, March 1990[citation needed]
  • AIX RT v2.1, March 1989[citation needed]
    • X-Windows included on installation media
  • AIX RT v1.1, 1986[citation needed]