@conference {Via - QLMPIT - EUSIPCO2011,
	title = {Testing Quaternion Properness: Generalized Likelihood Ratios and Locally Most Powerful Invariants},
	booktitle = {19th European Signal Processing Conference (EUSIPCO 2011)},
	year = {2011},
	month = {August},
	address = {Barcelona, Spain},
	author = {V{\'\i}a, Javier and Vielva, Luis}
}
