1. Integrated antennas for hand-held telephones with low absorption
2. A new enhanced-bandwidth internal antenna for portable communication systems
3. Burke, G.J., and Poggio, A.J.: ‘Numerical electromagnetics code (NEC) - Method of Moments, Parts 1,2 and 3’, (Lawrence Livermore Laboratory 1981)
4. CENELEC: ‘Human exposure to electromagnetic fields: 10 kHz - 300 GHz’. (Electromagnetic Fields in the Human Environment: 10 kHz - 300 GHz), Third Draft, Rome, 3 March 1994