REFERENCES
- Mathaei (G L), Young and Jones. Microwave Filters, Impedance Matching Networks and Coupling Structures. 1964. McGraw-Hill Inc., New York. P 86–87.
- Mathaei (G L). Design of Wide Band (and Narrow Band) Band-pass Microwave Filters on Insertion Loss Basis. IRE Trans. MTT-8, 6; 1960; 588–593.