1. The principles of light and color;Babbitt,1873
2. The principles of light and color;Babbitt,1967
3. The principles of light and color;Babbitt,1992
4. Muscles alive: their functions revealed by electromyography;Basmajian,1979
5. Cross currents: the perils of electropollution, the promise of electromedicine;Becker,1990