http://www.bizspirit.com/soundhealing/so7_archive/so7_exhibitors.html
Tuning To The Music of the Spheres http://www.spiritofmaat.com/archive/oct3/estes.htm
Whole Body Vibration http://www.rebprotocol.net/Sep2008/Patten%20WHOLE%20BODY%20ACOUSTIC%20FIELD%20GENERATORS%208pp.pdf