Foote, Kenneth G.; Ona, Egil (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1985)
Data are presented on the swimbladder form and acoustic target strengths of each of 15
surface-adapted gadoids, 13 pollack (POLLACHIUS POLLACHIUS) and 2 saithe (POLLACHIUS VIRENS),
of lengths from 31.5 to 44.5 cm. The ...