REFERENCES
- Mathur (B S). Time and frequency activity at NPL, Proc. Sem. Time and Frequency. NPL, New Delhi, November 18–20, 1976, 18–20.
- Mathur(B S), Sood (P C), Luthra (S C) & Banerjee (P). Standard Time and Frequency Broadcast by National Physical Laboratory—A Survey. J. of Scientific amI Industrial Research. 38, September 1979; 483–491.
- Mathur (B S). A Study of Time Dissemination via Satellite in India. Proc. of the XI PTTI meeting, November 1979, 387–402.