Articles:
Sensory Isolation in floatation tank
Psychotherapeutic Treatment in Combination with Relaxation in a Flotation Tank
Treating stress-related pain with flotation
Experiments in Solitude
46. LILLY, JOHN C. 1957
40. LILLY, JOHN C. 1956
Cymatics:
http://cymaticsource.com/pdf/ks_shaping%20up_06.pdf
http://cymaticsource.com/pdf/QuestersArticle.pdf
http://cymaticsource.com/pdf/CaduceusArticle.pdf