| 000 | 00357pam a2200145a 44500 | ||
|---|---|---|---|
| 008 | 160408bc1968 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a621.381512 _bSm54a |
||
| 100 | _aSmith, Donald A. | ||
| 245 | 1 | _aABC'S OF VACUUM TUBES | |
| 260 |
_aSlough _bW. Foulsham _cc1968 |
||
| 300 | _a128 | ||
| 650 | _aElectron Tubes | ||
| 964 | _gCIRC | ||
| 997 | _aA372 s C | ||
| 999 |
_c263963 _d263963 |
||