| 000 | 00410pam a2200145a 44500 | ||
|---|---|---|---|
| 082 |
_aNASA _bCR-717 |
||
| 100 | _aZehnpfennig,T,Giacconi,R | ||
| 245 | 1 | _aA LABORATORY PROGRAM TO DEVELOP IMPROVED GRAZING INCIDENCE X-RAY OPTICS | |
| 260 |
_a _bNasa, Washington, D.C. _c1967 |
||
| 300 | _a79 | ||
| 500 | _aBound With Nasa Cr-711-716, 718-720 | ||
| 700 | _aHaggerty,R | ||
| 964 | _gCIRC | ||
| 997 | _aTR12890 C | ||
| 999 |
_c397050 _d397050 |
||