1. Terahertz technology
2. Archer, J.W.: ‘Low-noise receiver technology for near-millimeter wavelengths’, Button, K.J., Infrared and Millim. Waves, 15, (Academic Press, Orlando, FL, USA 1986), p. 1–82 ‘Millimeter components and techniques’, Part VI
3. Frequency multipliers for millimeter and submillimeter wavelengths