REFERENCES
- Kumar (S S). Signal Transmission Schemes for Process Control—Technical Report ERDC. TDG. 81.0004.U.
- Fink (D G). Electronics Engineers' Handbook I.Ed. Mc-Graw Hill, NY, 1975.
- Liptak (G). Instrument Engineers Handbook, Vol. II, Chitton Book Company 1920.
- “FE4A01” Technical bulletin Control Bailey.