| 000 | 00335pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO 4187 |
||
| 100 | _aFrost,H B | ||
| 245 | 1 | _aANALYSIS OF RESIDUAL GAS IN ELECTRON TUBES | |
| 260 |
_a _b _c1962 |
||
| 300 | _a6 | ||
| 500 | _aBound With Bts Mono 4176-4186,4188-4199 Lack No 4193 | ||
| 964 | _gCIRC | ||
| 997 | _aTR20104 C | ||
| 999 |
_c403580 _d403580 |
||