The effective parameters of the real acoustic beam The effective parameters of the real acoustic beam

by Kalikhman, I.L., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Tesler, W.D. (Vsesoyuznyj Nauchno-Issledovatel'skij Inst. Morskogo Rybnogo Khoziajstva i Okeanografii, Moscow (USSR)), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983