Biblio

Kubečka, J., A. Duncan, W. M. Duncan, D. Sinclair, and A. J. Butterworth. 1994. Brown Trout Populations of 3 Scottish Lochs Estimated By Horizontal Sonar and Multimesh Gill Nets. Fisheries Research 20: 29-48.

Kubečka, J., A. Duncan, and A. J. Butterworth. 1992. Echo Counting Or Echo Integration For Fish Biomass Assessment In Shallow Waters. European Conference On Underwater Acoustics 129-132.

Duncan, A., A. J. Butterworth, F. Gerlotto, and J. Kubečka. 1998. Shallow water fisheries acoustics - Introduction. Fisheries Research 35: 1-3.