Weifeng Li Katsunobu Itou Kazuya Takeda Fumitada Itakura Single-Channel Multiple Regression for In-Car Speech Enhancement. 1032-1039 2006 89-D IEICE Transactions 3 http://dx.doi.org/10.1093/ietisy/e89-d.3.1032 db/journals/ieicet/ieicet89d.html#LiITI06