000			00484 a2200181 4500
999			_c35357 _d36904
003			ISURa
008			140819b xxu||||| |||| 00| 0 eng d
020			_a0240512790
041			_aEnglish
082			_a621.38284 _bBOR
100			_aBorwick , John _958151
245			_aMicrophones _btechnology and technique
260			_c1990 _aOxford _bFocal Press _g1990
300			_bill. _c25 cm. _axi , 241 p.
650			_aMicrophones _958152
650			_aSpeakers _958153
942			_cSR _2ddc