Yannick Deville Matthieu Puigt Temporal and time-frequency correlation-based blind source separation methods. Part I: Determined and underdetermined linear instantaneous mixtures. 374-407 2007 87 Signal Process. 3 https://doi.org/10.1016/j.sigpro.2006.05.012 db/journals/sigpro/sigpro87.html#DevilleP07