You're more than welcome and if I find good list of books on the topic I'll post it or email to you. I may even have a list myself (I know really efficient algorithms for losing things on my own computer).
Regards & God bless you in your study
27 posted on 02/12/2011 10:23:10 AM PST by Rashputin
(Barry is totally insane and being kept medicated and on golf courses to hide the fact)