(Anybody know where I can rent one in Amsterdam on Christmas eve?)
I found the paper you said you were looking for in this comment, and sent a link to the address you have in your HN bio. It probably got spam filtered.
I can't legally post a link to a non-paywalled copy on HN, but the ACM allows for authors to host copies on their sites, so you might want to ask Klotz if they'll do so.
The digitized title is "Turtles and Defense" by the way.
Somebody I won't name opined: "Since PGS runs a robotics company now, he might not relish the publicity." ;)
Classic mix up between Peter Pan and Robin Hood. :)
My intellectual curiosity feels gratified. I admit I could be a special case, but given 77 others have also found it so, I don't think I am.
Unrelated: the HTTPS cert for your site expired a few days ago.