000 00264nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aBragg, William
245 4 _aThe World of Sound
260 _bG. Bell And Sons
_aLondon
_c1930
650 _aSound
942 _cBK
999 _c10082
_d10082