References
[Coombs et al. 2003] Coombs, R.F.; Macaulay, G.J.; Knol, W.; Porritt, G. (2003). Configurations and calibrations of 38 kHz fishery acoustic survey systems,
1991-2000. New Zealand Fisheries Assessment Report 2003/49. 24 p.
[Macaulay 2000] Macaulay, G.J. (2000). Database Documentation: acoustic. NIWA Internal Report No. 85. 14 p.
[MacLennan & Simmonds 1992] MacLennan, D.N.; Simmonds, E.J. (1992). Fisheries Acoustics. Chapman & Hall, London. Fish and Fisheries Series 5. 325 p.