1. Infrared and Optical Masers
2. Production of Coherent Radiation by Atoms and Molecules
3. Lasers
4. Stimulated Optical Radiation in Ruby
5. : A study of the effects of laser light on nervous tissue. Proc 3rd Int Cong Neurol Surg. Excerpta Medical International Congress Series, No. 110, Copenhagen, 542, 1965.