| 000 | 00383pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO 2590 |
||
| 100 | _aKelly,M J | ||
| 245 | 1 | _aCONTRIBUTIONS OF RESEARCH TO TELEPHONY | |
| 260 |
_a _bJet Propulsion Laboratory,Pasadena, California _c1956 |
||
| 300 | _a12 | ||
| 500 | _aBound With Bts Mono 2581-2589,2591,2620 Lack No 2592,2593 | ||
| 964 | _gCIRC | ||
| 997 | _aTR18456 C | ||
| 999 |
_c402101 _d402101 |
||