1. (2023, March 18). Tacoma Bridge. Available online: https://www.youtube.com/watch?v=3mclp9QmCGs.
2. Bare, J.E. (2001). Resonant Frequency Therapy Device. (6,221,094), US Patent, Available online: https://patents.google.com/patent/US5908441A/en.
3. Bare, J.E. (1999). Resonant Frequency Therapy Device. (5,908,441), US Patent, Available online: https://patents.google.com/patent/US6221094B1/en.
4. Bare, J.E. (2014). Resonant Frequency Therapy Device. (8,652,184), US Patent, Available online: https://patents.google.com/patent/US8652184B2/en.
5. Pitt, W.G. (1987). Protein Adsorption on Polyurethanes (FTIR), University of Wisconsin Press.