Natanael N. de Moura Eduardo F. Simas Filho José Manoel de Seixas Narrow-Band Short-Time Frequency-Domain Blind Signal Separation of Passive Sonar Signals. 686-693 2009 ICA http://dx.doi.org/10.1007/978-3-642-00599-2_86 conf/ida/2009 db/conf/ida/ida2009.html#MouraFS09