Resultados da busca - "Echo sounding."

Developments in fisheries acoustics a symposium held in Seattle, 22-26 June 1987 por Symposium on Developments in Fisheries Acoustics (1987 : Seattle)

Underwater observation using sonar por Tucker, D. G. (David Gorda)

Fisheries sonar (incorporating underwater observation using sonar por Mitson, R. B.

The detection of fish por Cushing, D. H.

Underwater observation using sonar por Tucker, D. G. (David Gorda)

The detection of fish por Cushing, David H.

Seismic resolution a quantitative analysis of resolving power of acoustical echo techniques por Berkhout, A. J. 1940-

Atmospheric acoustic remote sensing por Bradley, Stuart

Table of contents only

Echo sounding and sonar for fishing.

Echo sounding and sonar for fishing.