http://www.auma.de/en/DownloadsPublications/Publi ... pation-in-Trade-Fairs-2017.pdf
http://www.auma.de/en/TippsForExhibitors/TradeFairBenefitCheck/Seiten/Default.aspx
http://www.auma.de/en/DownloadsPublications/Seite ... ParticipationinTradeFairs.aspx