… grids) 2011-04-13: Problem 2011-04-13 (project title with more than 140 characters) 2010-11-08: FAQ, new entry S16 (calculation of odor hours frequencies) 2010-08-03: Impressum note on surfing on the Internet 2010-07-26: New version of program zg2s (revised and extended) 2009-04-17: Problem …