| 000 | 00370pam a2200145a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO 2267 |
||
| 100 | _aClogston,A M | ||
| 245 | 1 | _aFOCUSING OF AN ELECTRON BEAM BY PERIODIC FIELDS | |
| 260 |
_a _b _c1954 |
||
| 300 | _a12 | ||
| 500 | _aBound With Bts Mono 2254-2266,2268-2278.Lack No 2271 | ||
| 700 | _aHeffner,H | ||
| 964 | _gCIRC | ||
| 997 | _aTR19559 C | ||
| 999 |
_c403408 _d403408 |
||