On Tue, Feb 26, 2008 at 7:24 AM, Russell Chapman <rchapman at ozemail.com.au> wrote: > Hmm - that would be "Stones of Significance" by our esteemed Dr Brin... > > Sorry for straying on-topic maru How DARE you! :-) -- Mauro Diotallevi Alcohol and calculus don't mix. Don't drink and derive.