TY  - BOOK
AU  - Borwick,John
TI  - Microphones: technology and technique 
SN  - 0240512790
AV  - TK5986 .B67 1990
PY  - 1990///
CY  - London
PB  - Focal Press
KW  - Microphone
N1  - Includes bibliographical references (p. 234-235) and index
ER  -