| 000 | 00479nam a2200169 454500 | ||
|---|---|---|---|
| 008 | 160721b1971 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_aNASA _bTN D-6620 |
||
| 100 | 1 | _aBYERS,DAVID C | |
| 245 | 1 | _aOPERATION OF AN ELECTRON -BOMBARDMENT ION SOURCE USING VARIOUS GASES | |
| 260 |
_bNASA, WASHINGTON, D.C. _c1971 |
||
| 300 | _a,20,,,,,, | ||
| 500 | _aBound with NASA TN D-6621-6629 | ||
| 700 | _aREADER,PAUL D | ||
| 964 | _gCIRC | ||
| 997 | _a101257 C | ||
| 998 |
_c9447 _d9447 |
||
| 999 |
_c483238 _d483238 |
||