REFERENCES
- George (LL). Electronics in Oceanography. 1967. Howard W. Sams & Co. Inc., Indiana.
- Myers, Holm & MCAllitser. Handbook of Ocean and Underwater Engineering. 1969. McGraw Hill Book Company. Inc., New York. P 336.
- Weber (S). Modern Digital Circuits. 1964. McGraw Hill Book Co. Inc., New York. P 20–24.
- Smith (DT). Variable Pulse Generator. Wireless World. 78, 1972; 137.
- Shivaprasad (AP). The Simulated PNPN Switch makes the Boot strap sweep generator free running. JITE. 17, 10; 1971; 378–380.