1. Ageykin, D.I., Kostina, E.N., and Kuznetsova, N.N., Datchiki kontrolya i regulirovaniya (Sensors of the Control and Regulation), Moscow: Mashinostroenie, 1965.
2. Asch, G., Andre, P., Beaufront, J., Charnay, G., Cretinon, B., Fouretier, J., Jouvenot, C., Livrozet, P., Mazeran, A., Merigoux, J., Pairot, P., Pligent, J.C., Schon, J.P., Sunyach, M., Tacussel, J., Zelbstein, U., Les Capteurs en Instrumentation Industrielle, Dunod, 1991.
3. Simmonds, T., Vibrating Wire Tiltmeters and Inclinometers, Recent Developments and Experiences, Monosys Guide in Monitoring, 2000.
4. Correia da Mata, J.L.G., Fareleria, J.M.N.A., Oliveria, C.M.B.P., and Wakeham, W.A., A New Instrument to Perform Simultaneous Measurements of Density and Viscosity of Fluids Using a Dual Vibrating-Wire Technique.–www.zae-bayern.de/ectp/abstracts/correia_da_mata1.html.
5. Krause, A., Erbe, A., and Blick, R.H., Nanotechnology, 2000, vol. 11, p.165.