| 000 | 00609nam a2200181Ia 4500 | ||
|---|---|---|---|
| 003 | IN-BaIIA | ||
| 008 | 211028s9999 xx 000 0 eng d | ||
| 040 | _cIIA Library | ||
| 080 |
_a017:52-73 _bEIN.2 |
||
| 110 |
_aEinstein Catalog Committee _921179 |
||
| 245 | 0 |
_aEinstein observatory catalog of IPC x-ray sources _bvol. 2 _cEinstein Catalog Committee |
|
| 260 |
_aCambridge _bSmithsonian Astrophysical Observatory _c1990 |
||
| 300 | _aiii, 632p. | ||
| 490 | _av.2 | ||
| 650 |
_aCatalog-Imaging propotional counter _921180 |
||
| 650 |
_aX-Ray sources _912440 |
||
| 942 | _cBK | ||
| 999 |
_c12143 _d12143 |
||