1. STAT80 Users Guide,1986
2. Measurements of the target strength of live herring and mackerel;Edwards,1983
3. Calibration of acoustic instruments for fish density estimation: A practical guide;Foote;Cooperative Research Report, Int. Coun. Exp. Sea,1987
4. On the application of the echo integration method;Nakken,1983
5. A method for determination of feed intake in salmonids using radioactive isotopes;Storebakken;Aquaculture,1981