1. Measurement in physical therapy;Rothstein,1985
2. A practical manual for a basic approach to biomechanics;Wernick,1971
3. Foot Orthoses: An Update;Subotnick;The Physician and Sports Medicine,1985
4. A Randomised Clinical Assessment of Foot Pronation and its Relationship to Patello-Femoral Syndrome;Bennett;Australian Podiatrist,1988