TY  - BOOK
AU  - Borwick,John
TI  - Microphones: technology and technique 
SN  - 0240512790
U1  - 621.382/84 20
PY  - 1990///
CY  - London
PB  - Focal
KW  - Microphone
N1  - Includes bibliography (p.234-235) and index
ER  -