Manual of methods for fisheries resource survey and appraisal /
edited by S. T. Forbes and O. Nakken
- Rome : FAO, 1972
- ix, 138 p. : ill., tables ; 23 cm.
- FAO manuals in fisheries science ; 5 .
Includes bibliography: p. 134-138
Part. 1. Survey and charting of fisheries resources, edited by D. L. Alverson.--pt. 2. The use of acoustic instruments for fish detection and abundance estimation