No need for apologies. I actually benefited from my lack of understanding, since my research uncovered five potentially useful AD sites that I had not visited before. Thanks for increasing my knowledge. Also, the babelfish.altavista.com page will automatically translate German to English for you. -brian Simm wrote: > Sorry, sorry, sorry. DIGESTION List Sponsors, Archive and Information http://www.crest.org/renewables/digestion-list-archive http://www.crest.org/renewables/biomass-info/ Beginners Tour of Biogas http://WWW.roseworthy.adelaide.edu.au/~pharris/biogas/beginners
