REFERENCES
- Gardner (F M). Phase-Lock Techniques, 1966 John Wiley and Sons, Inc, New York.
- High Frequency and Microwave Power Seminar. NBS, Boulder, Colorado, April 14–16, 1969.
- Kothari (P C), Bhatnagar (H M), Agrawal (V K) & Chandra (K). A Feed-Through microwave Power Measuring Transfer Standard at 10.0 GHz. JIETE. 26, 11; 1980; 579–583.
- Sydnor (R), Caldwek (J J) & Rose (B E). Frequency Stability Requirements for Space Communications and Tracking Systems. Proc. IEEE. 54, 1966; 231–236.
- Weinschel (B O). Six-Port Skeptic. Microwaves. 19,11; 1980;. 11–12.