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1Abundance estimation of demersal fish in the Barents Sea by an extended acoustic method Abundance estimation of demersal fish in the Barents Sea by an extended acoustic methodby Dalen, J., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Smedstad, O.M. (Havforskningsinstitutt, Bergen (Norway)), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
2Increased precision of echo integration recordings under various weather conditions Increased precision of echo integration recordings under various weather conditionsby Berg, T., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Loevik, A. (Norwegian Inst. of Technology, Trondheim. Electronics Research Lab.), Dalen, J., Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT