Three publications related to echo integration from the Washington Sea Grant marine acoustics program.

Bibliographic Details
Corporate Author:	Washington Sea Grant Program
Other Authors:	Moose, Paul H., Ehrenberg, J. E. (John E.)
Format:	Book
Language:	English
Published:	Seattle : Division of Marine Resources, University of Washington, 1971.
Series:	WSG (Series) ; no. 71-2. WSG (Series) ; no. 71-3. WSG (Series) ; no. 71-4.
Subjects:	Echo sounding in fishing. Fish populations > Measurement. Fish populations > Mathematical models. Fish populations. Echo soundings.

Description
Physical Description:	iv, 67 pages ; 28 cm.