IESS 2022, Lippstadt, Germany IESS 2019, Friedrichshafen, Germany IESS 2015, Foz do Iguaçu, Brazil IESS 2013, Paderborn, Germany IESS 2009, Langenargen, Germany IESS 2007, Irvine (CA), USA IESS 2005, Manaus, Brazil