Array mapping: Optimal transformation matrix design. - Per Hyberg; Magnus Jansson; Björn E. Ottersten (ICASSP, 2002)

Array interpolation and bias reduction. - Per Hyberg; Magnus Jansson; Björn E. Ottersten (IEEE Trans. Signal Process., 2004)

Array interpolation and DOA MSE reduction. - Per Hyberg; Magnus Jansson; Björn E. Ottersten (IEEE Trans. Signal Process., 2005)