BAKHVOLOV, N. S , ZABOLOTSKAY, E. A , ZHILEIKIM, YA NONLINEAR THEORY OF SOUND BEAMS - NEWYORK AMERICAN INSTITUTE OF PHYSICS 1987 - 168P ISBN: 0-88318-520-2 Subjects--Topical Terms: GASES ACOUSTIC PROPERTIES FLUIDS ACOUSTICS PROPERTIES NONLINEAR SOUND WAVES ACC NO-27955 Dewey Class. No.: 534 BAK'N