Make that 7 - please send me a copy, too >I'll bump it up to 6 PDF requests. ; D > >After all, I can't truly be amazed until I've read the paper, right? ;) -- Jeff Hecht, science & technology writer jeff@jeffhecht.com or jhecht@nasw.org 525 Auburn St., Auburndale, MA 02466 USA tel. 617-965-3834 http://www.jeffhecht.com