| 000 | 00470nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230615b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a621.39 _bL2 |
||
| 100 |
_aHefley, Gifford _911720 |
||
| 245 | _aDevelopment of loran-c navigation timing | ||
| 260 |
_aColorado: _bU.S. Department of Commerce, _c1972 |
||
| 300 | _a144p. | ||
| 650 | _aDevelopment | ||
| 653 | _aNavigation | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c43494 _d43494 |
||