TY  - BOOK
AU  - Ballou,Glen
TI  - Electroacoustic devices: microphones and loudspeakers 
SN  - 0240812670
AV  - TK5981 .E44 2009
PY  - 2009///
CY  - Amsterdam, Boston
PB  - Focal
KW  - Electroacoustic transducers
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/enhancements/fy1211/2009281669-b.html
ER  -