000			00575nam a2200205Ia 4500
008			220516s9999 xx 000 0 und d
041			_aeng
082			_a534.55 _bBEY/P
100			_aBeyer, Robert T.
245		0	_aPhysical ultrasonics _c / by Robert T. Beyer and Stephen V. Letcher
260			_aNew York: _bAcademic Press Inc., _c1969.
300			_ax, 378p.
490			_aPure and Applied Physics _v; 32
650			_aLattice vibrations
650			_aPhysics
650			_aRadiation fields
650			_aUltrasound
700			_aLetcher, Stephen V.
942			_cBK
999			_c2484 _d2484