| 000 | 00356pam a2200145a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO 1915 |
||
| 100 | _aFord,G T | ||
| 245 | 1 | _aDEVELOPMENT OF ELECTRON TUBES FOR A NEW COAXIAL SYSTEM | |
| 260 |
_a _b _c1951 |
||
| 300 | _a26 | ||
| 500 | _aBound With Bts Mono 1900-14,1916-29 | ||
| 700 | _aWalsh,E J | ||
| 964 | _gCIRC | ||
| 997 | _aTR19689 C | ||
| 999 |
_c403344 _d403344 |
||