000 00573nam a2200181Ia 4500
003 IN-BaIIA
008 211028s9999 xx 000 0 eng d
040 _cIIA Library
080 _a534.8
_bBER
100 _aBergmann, Ludwig
_92249
245 0 _aUltrasonics and their scientific and technical applications
_cLudwig Bergmann
260 _aNew York
_bJohn Wiley & Sons
_c1938
300 _aviii, 264p.
650 _aAcoustics
_92250
650 _aAstronomy and astrophysics thesaurus
650 _aUltrasonics
_92251
942 _cBK
999 _c1045
_d1045