The tab is in .pdf format, read by acrobat reader, it's a freeware. I don't know if there's another tab made on the web.
Ron THAL is great, if you like him, listen to Freak Kitchen, their guitarist is awesome too (and he has played on Ron's latest album) I've written a trick in ron's style:
http://www.guitartricks.com/2000/trick.php?trick_id=3659

By the way, those aren't artificial harmonics, but actual notes, just as if you were playing with a slide, but really high , over the pickups for example, except you wear the slide on your pinkie, since it's a thimble.