This may be of interest. Cheers, Elton. ---------- Forwarded message ---------- Date: Tue, 3 Mar 2009 12:37:53 -0500 From: Carl Zorn <carl.zorn@jlab.org> To: Elton Smith <elton@jlab.org> Subject: Re: (fwd) Tuesday, March 3, 2009 HI Elton. Here's the link to the inventor's site: http://sunhe.jinr.ru/struct/neeo/apd/index.html ...........Carl