@book {gmbh_viennafair_2011, title = {Viennafair 12-15 May 2011}, year = {2011}, note = {W 2011/13}, publisher = {Reed Messe Wien GmbH}, organization = {Reed Messe Wien GmbH}, address = {Wien}, isbn = {978-3950293456}, editor = {GmbH, Reed Messe Wien} }