| 000 | 00339pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO 2291 |
||
| 100 | _aClark,M A | ||
| 245 | 1 | _aACOUSTIC LENS AS A DIRECTIONAL MICROPHONE | |
| 260 |
_a _b _c1954 |
||
| 300 | _a2 | ||
| 500 | _aBound With Bts Mono 2279-2290,2292-2299 Lack No.2292,2296 | ||
| 964 | _gCIRC | ||
| 997 | _aTR19581 C | ||
| 999 |
_c403111 _d403111 |
||