Pierre Jallon Antoine Chevreuil Philippe Loubaton Pascal Chevalier Separation of Convolutive Mixtures of Cyclostationary Sources: A Contrast Function Based Approach. 508-515 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3195&spage=508 2004 conf/ica/2004 ICA db/conf/ica/ica2004.html#JallonCLC04