| 000 | 00512nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230331b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a016:05:048:5/6(026) _bK0 |
||
| 245 | _aGuide to U. S. indexing and abstracting services in science and technology | ||
| 260 |
_aWashington, D. C.: _bThe Science and Technology Division, _c1960 |
||
| 300 | _av, 79p. | ||
| 650 | _aAbstracting services | ||
| 653 | _aIndexing services | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c17482 _d17482 |
||