1. and . Inverted-F antenna for a portable transceiver. 1982 I.E.C.E. National Convention, No. 613.
2. Bandwidth characteristics of a planar inverted-F antenna. 1988 I.E.C.E. National Convention, No. 1-65.
3. , , and . Small Antennas, Chap. 2, pp. 127–128, 147–151. Research Studies Press, Ltd., England (1987).