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Methods and devices for acoustic estimation of density of fish schools near the bottom

С91 Д-8/15 английский (eng)/Methods and devices for acoustic estimation of density of fish schools near the bottom / By V. A. Ermolchev.Methods and devices for acoustic estimation of density of fish schools near the bottom / By V. A. Ermolchev.Methods and devices for acoustic estimation of density of fish schools near the bottom.[Μ.]/, 1987 ( ). - 1987. - 10 л. : ил. ; 29 см см. - (International symposium on fisheries acoustic, Seattle, Washington, USA, June 22-26, 1987 ; N 37).Methods and devices for acoustic estimation of density of fish schools near the bottom. [Μ.], 1987 .
     Без тит. л. и обл. - Библиогр.: л. 10. Библиогр.: л. 10.Гидроакустика -- Применение в рыболовстве/nlr_sh1/П722.11/ Ermolčev, V. A., Vjačeslav Aleksandrovič .V. A.Vjačeslav AleksandrovičInternational symposium on fisheries acoustics (; 1987; Seattle, Wash.)/Ermolchev ./
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