PRESS REVIEW – MICROBYTES – By Hardy Diagnostics History of Portable Microbial Air Sampler. THE EVOLUTION OF ENVIRONMENTAL MICROBIAL AIR SAMPLING A conversation with Roberto and Sandro Ligugnana. – – – – – This work by orum.admin is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 InternationalPermissions beyond the scope of this license may be available at http://www.oruminternational.com/en/note-legali/