@conference {ICASSP2011_ML_QICA, title = {Maximum Likelihood {ICA} of Quaternion Gaussian Vectors}, booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011)}, year = {2011}, month = {May}, address = {Prague, Czech Republic}, author = {V{\'\i}a, Javier and Palomar, Daniel P. and Vielva, Luis and Santamar{\'\i}a, Ignacio} }