| 000 | 00428pam a2200145a 44500 | ||
|---|---|---|---|
| 040 | _aP K Kelkar Library, IIT Kanpur | ||
| 082 |
_aNASA _bCR-994 |
||
| 100 | _aCoolidge,Arthur W | ||
| 245 | 1 | _aDEVELOPMENT OF HIGH-TEMPERATURE VAPOUR-FILLED THYRATRONS AND RECTIFIERS. | |
| 260 |
_a _bNasa, Washington, D.C. _c1968 |
||
| 300 | _a93 | ||
| 500 | _aBound With Nasa Cr-991-993,995. | ||
| 964 | _gCIRC | ||
| 997 | _aTR13210 C | ||
| 999 |
_c397928 _d397928 |
||