| | * '''1990''' June 3ʳᵈ (10:58pm), "<span class="plainlinks">[https://groups.google.com/groups/profile?hl=en&enc_user=RkiARAwAAADQVoUz1RCLzZuYvBzSob-t William Ricker]" (user name), ''[https://groups.google.com/group/sci.math/topics?hl=en sci.math]'' ([[w:Usenet|Usenet newsgroup]]), "[https://groups.google.com/group/sci.math/browse_thread/thread/6a7916b06e1ebfa2/85bd3e2b3b9e67e9?hl=en&ie=UTF-8&q=%22hacheck%22#85bd3e2b3b9e67e9 Re: Fuzzy Logic Introduction?]", [https://groups.google.com/group/sci.math/msg/85bd3e2b3b9e67e9?hl=en&dmode=source&output=gplain Message ID: <anovt7.a96@wang.com>]</span> | | * '''1990''' June 3ʳᵈ (10:58pm), "<span class="plainlinks">[https://groups.google.com/groups/profile?hl=en&enc_user=RkiARAwAAADQVoUz1RCLzZuYvBzSob-t William Ricker]" (user name), ''[https://groups.google.com/group/sci.math/topics?hl=en sci.math]'' ([[w:Usenet|Usenet newsgroup]]), "[https://groups.google.com/group/sci.math/browse_thread/thread/6a7916b06e1ebfa2/85bd3e2b3b9e67e9?hl=en&ie=UTF-8&q=%22hacheck%22#85bd3e2b3b9e67e9 Re: Fuzzy Logic Introduction?]", [https://groups.google.com/group/sci.math/msg/85bd3e2b3b9e67e9?hl=en&dmode=source&output=gplain Message ID: <anovt7.a96@wang.com>]</span> |