1. Electrets,1987
2. A. Sergeeva, S. Fedosov, S. Pribbe, Proc. 8th Int. Symp. on Electrets, Paris, France, IEEE Dieletrics & Electrical Insulation Society, 1994, p. 43.
3. L.A. Hornak (Ed.), Polymers for Lightwave and Integrated Optics, Dekker, New York, 1992.
4. Semiconductor-based electret sensors for sound and pressure