1. Electromagnetic wave absorbers and anechoic chambers through the years
2. (2) Y. Shimizu: “Anechoic Chambers for EMI Test”, IEICE Transactions on Communications, Vol. E75, No. 3 (March 1992)
3. (3) J. D. Kraus and R. J. Marhefka: “Antennas for All Applications”, Third Edition, Chapter 24, McGraw-Hill (2002)
4. (4) 本郷廣平:電波工学の基礎,第9章,実教理工学全書 (1983)
5. (5) Y. Mushiake : “Antennas and Radio Propagation”, CORONA PUBLISHING CO., LTD (1972) (in Japanese)