Felix Albu Martin Bouchard Yuriy V. Zakharov Pseudo-Affine Projection Algorithms for Multichannel Active Noise Control. 1044-1052 2007 15 IEEE Transactions on Audio, Speech & Language Processing 3 http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=4100662&arnumber=4100663&count=34&index=27 db/journals/taslp/taslp15.html#AlbuBZ07