The octave illusion revisited: Suppression or fusion between ears?
Journal of Experimental Psychology Human Perception & Performance (2002) - Comment
doi: 10.1037/0096-1523.28.6.1288  issn: 1939-1277  issn: 0096-1523  pubmed: 12542128 

Christopher D. Chambers, Jason B. Mattingley, Simon A. Moss