REFERENCES
- Herr, D. L., Proc. IRE, 27 (1939), 396–402.
- Hayashi, C., “Forced oscillations in non-linear system” (Tokyo, Nippon Printing and Publishing Co. Ltd.), 1953.
- Datta, G. & Chatterjee, J., “Feedback frequency dividers” Indian J. pure appl. Phys. (accepted for publication).