M. T. · Martie van Tongeren · Michel van Tongeren · V. T.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Overtone Singing: Physics and Metaphysics of Harmonics in East and West | 978-90-5972-132-6 (90-5972-132-2) | 2004 |
| Overtone Singing Physics and Metaphysics of Harmonics in East and West | 978-90-5972-133-3 (90-5972-133-0) | 2000 |