000 00604nam a2200193Ia 4500
919 _a122141
082 _a534.55
_bN62
100 _aRichardson, E.G.
245 _aUltrasonic physics
_b
_cby E.G. Richardson, ed. by A.E.Brown.
260 _bElsevier
_c1962
700 _aBrown, A.E., ed.
999 _c117605
_d117605