| 000 | 00407nam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 230731b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 | _aAnnual report of the director of the department of terrestrial magnetism | ||
| 260 |
_aWashington: _bCarnegie Institution of Washington, _c1962 |
||
| 300 | _a293p. | ||
| 650 | _aReport | ||
| 942 |
_2udc _cREP |
||
| 999 |
_c56401 _d56401 |
||