1. Marguerre, H., Optical phase sensitive detection, in Sensors, Vol 6: Optical Sensors, edited by Wagner, E., Dändliker, R., and Spenner, K., VCH, Weinheim (1992).
2. Erbeia, C, Valette, S., Jadot, J.P., Gidon, P., and Reard, S., Integrated Optics Displacement Sensor Connected with Optical Fibres, Springer Proceedings in Physics, Vol. 44, edited by Arditty, H.J., Dakin, J.P., and Kersten, R.Th., Springer-Verlag Berlin (1989).
3. Ulbers, G., A sensor for dimensional metrology with an interferometer, in Integrated Optics Technology, Springer Proceedings in Physics, Vol. 44, edited by Arditty, H.J., Dakin, J.P., and Kersten, R.Th., Springer-Verlag Berlin (1989).
4. Bauer, J., Dammann, E., Fritsch, E., and Rasch, A., Integrated optical three beam interferometer for displacement measurements, Int. J. Optoelectron. 8 (5/6), 547–553 (1993).
5. Pradel, T., Rasch, A., Rothardt, M., Tropea, C., Varro, W., and Weber, H., Use of integrated optical devices in laser doppler anemometry, SENSOR 93, Kongreßband III, B 9.1, pp. 179–186 (1993).