A. Tanaka, A. Parkinson, Z. Settel, and K. Tahiroglu. Proceedings of the International Conference on New Interfaces for Musical Expression, 2123, Ann Arbor, MI, USA, (2012)
H. Steiner, D. Merrill, and O. Matthes. Proceedings of the 7th international conference on New interfaces for musical expression, page 375--378. ACM, (2007)