REFERENCES
- Kamal, A. K. & Subramanian, M., “Laser power and energy measurement using non-linear polarization in crystals”, Proc. Symposium on Optical Masers, April 1963, Polytechnic Institute of Brooklyn.
- “Standards on piezoelectric crystal”, Proc. IRE, 46 (1958), 764.
- Nye, J. E., “Physical properties of crystals”, Oxford Press, 1957, 124.