1. de Boer, E. andKuyper, P. (1968) Triggered correlation.IEEE Trans.,BME-15, 169–179.
2. Distefano, J. J., Stubberd, A. R. andWilliams, I. J. (1967)Feedback and control systems Schaum's outline. McGraw-Hill, 39–40.
3. Graeme, J. G., Toby, G. E. andHuelsman, L. P. (1971)Operational amplifiers, design and applications. McGraw-Hill, 179–183, 432–435.
4. Nederstigt, L. J. A. andSchellart, N. A. M. (1986) Acousticolateral processing in the torus semicircularis of the trout Salmo Gairdneri.Pflügers Arch.,406, 151–157.
5. Schellart, N. A. M. (1983) Acousticolateral and visual processing and their interaction in the tours semicircularis of the trout, Salmo Gairdneri.Neurosci. Lett.,42, 39–44.