TY  - BOOK
AU  - Borwick, John
TI  - Loudspeaker and headphone handbook 
SN  - 0408013877
AV  - TK 5983.5 Lou 
PY  - 1988///
CY  - London
PB  - Butterworths
KW  - HEADPHONES - HANDBOOKS, MANUALS, ETC
KW  - LOUDSPEAKERS - HANDBOOKS, MANUALS, ETC
ER  -