TY - RPRT TI - Evaluation of a rubber-compound diaphragm for acoustic fisheries surveys: Effects on dual-beam signal intensity and beam patterns AU - Guy W. Fleischer AU - R.L. Argyle AU - R.T. Nester AU - J.J. Dawson PY - 2002 DO - 10.1006/jsvi.2002.5139 UR - https://pubs.usgs.gov/publication/1000971 ID - 1000971 ER -