IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING, vol. 6, no. 8, page. 943 - 958, 2012-12
COMPUTER SPEECH AND LANGUAGE, vol. 25, no. 2, page. 307 - 326, 2011-04
COMPUTER SPEECH AND LANGUAGE, vol. 24, no. 4, page. 609 - 631, 2010-10