Digital beamforming using a GPU. - Carl-Inge Colombo Nilsen; Ines Hafizovic (ICASSP, 2009)

Robust ultrasonic indoor positioning using transmitter arrays. - Sverre Holm; Carl-Inge Colombo Nilsen (IPIN, 2010)

Decorrelation for adaptive beamforming applied to arbitrarily sampled spherical microphone arrays. - Ines Hafizovic; Carl-Inge Colombo Nilsen; Sverre Holm (WASPAA, 2011)

Transformation Between Uniform Linear and Spherical Microphone Arrays With Symmetric Responses. - Ines Hafizovic; Carl-Inge Colombo Nilsen; Sverre Holm (IEEE Trans. Speech Audio Process., 2012)