• An adaptive sensor array using an affine combination of two filters [Electronic resource]Trump, TõnuProceedings of the international conferences : Saint Malo & Mont Saint-Michel, France, April 2-4, 20122012 / p. 157-162 : ill [CD-ROM] https://dl.acm.org/doi/abs/10.5555/2230716.2230747
• Combinations of two LMS adaptive filtersTrump, TõnuAdvances in Sensors, Signals, Visualization, Imaging and Simulation : [proceedings of the 5th WSEAS International Conference SENSIG'12 and VIS'12, Sliema, Malta, September 7-9, 2012]2012 / p. 53-58 : ill