Kai Labusch Erhardt Barth Thomas Martinetz Approaching the Time Dependent Cocktail Party Problem with Online Sparse Coding Neural Gas. 145-153 2009 WSOM http://dx.doi.org/10.1007/978-3-642-02397-2_17 conf/wsom/2009 db/conf/wsom/wsom2009.html#LabuschBM09