ターゲット・ストレングス
"Introduction to the use of sonar systems for estimating fish biomass, FAO Fisheries Technical Paper No. 191, Revision 1, FAO 1982"
Fisheries Acoustics Simmonds, E John and MacLennan, David N (2005) Blackwell Publishing. ISBN 978-0-632-05994-2
C. S. Clay & H. Medwin, Acoustical Oceanography (Wiley, New York, 1977)