@proceedings{8933,title = {Ambisonics Symposium 2009},year = {2009},editor = {Sontacchi, A. and Zotter, F. and Pomberger, H. },address = {Graz (Österreich)},month = 08} @misc{Sontacchi2009,document_type = {misc},author = {},title = {Ambisonics Symposium 2009},year = {2009},type = {full paper}}