Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society, Montreal, QC, Canada. volume 1; IEEE: pp. 637-638; ISBN 978-0-7803-2475-6
Hitchcock ER, Broggi G, Burzaco J, Martin-Rodriguez J, Meyerson BA, Tóth S (eds.): Advances in Stereotactic and Functional Neurosurgery 9. Acta Neurochirurgica Supplement, volume 52; Springer, Vienna; pp. 137-139; ISBN 978-3-7091-9162-0